{"id":"CVE-2026-34757","aliases":["ALPINE-CVE-2026-34757","AZL-82643","AZL-85478","AZL-85481","AZL-85484","AZL-85487","AZL-85490","AZL-85493","BELL-CVE-2026-34757","CLSA-2026-1778891359","CLSA-2026-1778928586","CLSA-2026-1779127797","CLSA-2026-1779129500","DEBIAN-CVE-2026-34757","EUVD-2026-20897","GHSA-6fr7-g8h7-v645","JLSEC-2026-498","OESA-2026-2149","OESA-2026-3904","OESA-2026-3906","OESA-2026-3907","OESA-2026-3908","RHSA-2026:13719","ROOT-OS-DEBIAN-12-CVE-2026-34757","SUSE-SU-2026:1500-1","SUSE-SU-2026:1601-1","SUSE-SU-2026:1602-1","SUSE-SU-2026:1702-1","SUSE-SU-2026:1716-1","SUSE-SU-2026:2057-1","SUSE-SU-2026:21239-1","SUSE-SU-2026:21251-1","SUSE-SU-2026:21262-1","SUSE-SU-2026:21364-1","SUSE-SU-2026:23063-1","SUSE-SU-2026:23514-1","UBUNTU-CVE-2026-34757","openSUSE-SU-2026:10564-1","openSUSE-SU-2026:10640-1","openSUSE-SU-2026:20593-1"],"status":"published","title":"LIBPNG has a yse-after-free in png_set_PLTE, png_set_tRNS and png_set_hIST leading to corrupted chunk data and potential heap information disclosure","description":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the corresponding setter on the same png_struct/png_info pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.","severity":{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00199,"percentile":0.09742,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2026-04-09T14:41:18Z","modified":"2026-11-05T05:36:30Z","fixes":[{"ecosystem":"Alpine:v3.20","package":"libpng","fixed_in":["1.6.57-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"libpng","fixed_in":["1.6.57-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"libpng","fixed_in":["1.6.57-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"libpng","fixed_in":["1.6.57-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"libpng","fixed_in":["1.6.57-r0"],"sources":["osv"]},{"ecosystem":"Azure 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16.0","package":"libpng16","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.44-160000.7.1"}]}]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"libpng","product":"libpng"},{"vendor":"pnggroup","product":"libpng"}],"references":[{"url":"https://github.com/pnggroup/libpng/security/advisories/GHSA-6fr7-g8h7-v645","tags":["x_refsource_CONFIRM","Mitigation","Patch","Vendor Advisory","advisory","web","article","report"]},{"url":"https://github.com/pnggroup/libpng/issues/836","tags":["x_refsource_MISC","Exploit","Issue Tracking","Mitigation","report","web","article"]},{"url":"https://github.com/pnggroup/libpng/issues/837","tags":["x_refsource_MISC","Exploit","Issue Tracking","Mitigation","report","web","article"]},{"url":"https://github.com/pnggroup/libpng/commit/398cbe3df03f4e11bb031e07f416dfdde3684e8a","tags":["x_refsource_MISC","Patch","fix","web","article"]},{"url":"https://github.com/pnggroup/libpng/commit/55d20aaa322c9274491cda82c5cd4f99b48c6bcc","tags":["x_refsource_MISC","Patch","fix","web","article"]},{"url":"https://lists.debian.org/debian-lts-announce/2026/05/msg00017.html","tags":["Mailing List","Third Party Advisory","web"]},{"url":"https://security.alpinelinux.org/vuln/CVE-2026-34757","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34757","tags":["web","advisory"]},{"url":"https://docs.bell-sw.com/security/cves/CVE-2026-34757","tags":["advisory"]},{"url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1778891359.html","tags":["advisory"]},{"url":"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1778928586.html","tags":["advisory"]},{"url":"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1779127797.html","tags":["advisory"]},{"url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1779129500.html","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34757.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-34757","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2149","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3904","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23865","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33416","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33636","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-60147","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3906","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-64505","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-64720","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66293","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-22695","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25646","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3907","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3908","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:13719","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-34757","tags":["report"]},{"url":"https://access.redhat.com/security/updates/classification/","tags":["article"]},{"url":"https://images.redhat.com/","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_13719.json","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2456918","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-34757","tags":["advisory","report"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20261500-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1260754","tags":["report"]},{"url":"https://bugzilla.suse.com/1261957","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-33416","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-34757","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20261601-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20261602-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20261702-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20261716-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1141493","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2017-12652","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20262057-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202621239-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202621251-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202621262-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202621364-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202623063-1/","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2025-28162","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64505","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64506","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64720","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-65018","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-66293","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-22695","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-22801","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-25646","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-33636","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202623514-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-34757","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8251-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-8639-1","tags":["advisory"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-34757","title":"LIBPNG has a yse-after-free in png_set_PLTE, png_set_tRNS and png_set_hIST leading to corrupted chunk data and potential heap information disclosure","description":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the corresponding setter on the same png_struct/png_info pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.","status":"published","published":"2026-04-09T14:41:18.195Z","modified":"2026-05-09T10:21:48.394Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:20:14.302133Z"}],"euvd":[{"id":"EUVD-2026-20897","description":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the corresponding setter on the same png_struct/png_info pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.","status":"published","published":"2026-04-09T14:41:18Z","modified":"2026-05-09T10:21:48Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:05:14.089367Z"}],"nvd":[{"id":"CVE-2026-34757","description":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the corresponding setter on the same png_struct/png_info pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.","status":"published","published":"2026-04-09T15:16:11.003Z","modified":"2026-10-26T21:10:00.17Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:12:13.902911Z"}],"osv":[{"id":"ALPINE-CVE-2026-34757","description":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the corresponding setter on the same png_struct/png_info pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.","status":"published","published":"2026-04-09T15:16:11.003Z","modified":"2026-10-01T02:17:49.260188879Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:27:50.269992Z"},{"id":"BELL-CVE-2026-34757","status":"published","published":"2026-04-10T06:09:37.54227Z","modified":"2026-05-15T07:16:06.895932Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:28:23.572955Z"},{"id":"CVE-2026-34757","title":"LIBPNG has a yse-after-free in png_set_PLTE, png_set_tRNS and png_set_hIST leading to corrupted chunk data and potential heap information disclosure","description":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the corresponding setter on the same png_struct/png_info pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.","status":"published","published":"2026-04-09T14:41:18.195Z","modified":"2026-10-28T11:12:11.208057392Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:45:02.247031Z"},{"id":"DEBIAN-CVE-2026-34757","description":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the corresponding setter on the same png_struct/png_info pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.","status":"published","published":"2026-04-09T15:16:11.003Z","modified":"2026-10-27T09:47:41.243133746Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:54.587575Z"},{"id":"JLSEC-2026-498","description":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from `png_get_PLTE`, `png_get_tRNS`, or `png_get_hIST` back into the corresponding setter on the same `png_struct/png_info` pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.","status":"published","published":"2026-05-14T11:59:52.457Z","modified":"2026-07-25T18:24:32.116954682Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:47:18.573531Z"},{"id":"OESA-2026-2149","title":"libpng security update","description":"The libpng package contains libraries used by other programs for reading and writing PNG format files. The PNG format was designed as a replacement for GIF and, to a lesser extent, TIFF, with many improvements and extensions and lack of patent problems.\r\n\r\nSecurity Fix(es):\n\nLIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the corresponding setter on the same png_struct/png_info pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.(CVE-2026-34757)","status":"published","published":"2026-05-03T11:11:08Z","modified":"2026-08-18T01:19:50.9498846Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:46.087701Z"},{"id":"OESA-2026-3904","title":"openjdk-1.8.0 security update","description":"The OpenJDK runtime environment 8.\r\n\r\nSecurity Fix(es):\n\nAn integer overflow in the tt_var_load_item_variation_store function of the Freetype library in versions 2.13.2 and 2.13.3 may allow for an out of bounds read operation when parsing HVAR/VVAR/MVAR tables in OpenType variable fonts. This issue is fixed in version 2.14.2.(CVE-2026-23865)\n\nLIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. In versions 1.2.1 through 1.6.55, `png_set_tRNS` and `png_set_PLTE` each alias a heap-allocated buffer between `png_struct` and `png_info`, sharing a single allocation across two structs with independent lifetimes. The `trans_alpha` aliasing has been present since at least libpng 1.0, and the `palette` aliasing since at least 1.2.1. Both affect all prior release lines `png_set_tRNS` sets `png_ptr-\u0026gt;trans_alpha = info_ptr-\u0026gt;trans_alpha` (256-byte buffer) and `png_set_PLTE` sets `info_ptr-\u0026gt;palette = png_ptr-\u0026gt;palette` (768-byte buffer). In both cases, calling `png_free_data` (with `PNG_FREE_TRNS` or `PNG_FREE_PLTE`) frees the buffer through `info_ptr` while the corresponding `png_ptr` pointer remains dangling. Subsequent row-transform functions dereference and, in some code paths, write to the freed memory. A second call to `png_set_tRNS` or `png_set_PLTE` has the same effect, because both functions call `png_free_data` internally before reallocating the `info_ptr` buffer. Version 1.6.56 fixes the issue.(CVE-2026-33416)\n\nLIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. In versions 1.6.36 through 1.6.55, an out-of-bounds read and write exists in libpng\u0026apos;s ARM/AArch64 Neon-optimized palette expansion path. When expanding 8-bit paletted rows to RGB or RGBA, the Neon loop processes a final partial chunk without verifying that enough input pixels remain. Because the implementation works backward from the end of the row, the final iteration dereferences pointers before the start of the row buffer (OOB read) and writes expanded pixel data to the same underflowed positions (OOB write). This is reachable via normal decoding of attacker-controlled PNG input if Neon is enabled. Version 1.6.56 fixes the issue.(CVE-2026-33636)\n\nLIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the corresponding setter on the same png_struct/png_info pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.(CVE-2026-34757)\n\nVulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Security).  Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and  21.0.11; Oracle GraalVM Enterprise Edition: 21.3.18. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data as well as  unauthorized read access to a subset of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 6.5 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N).(CVE-2026-60147)","status":"published","published":"2026-09-20T13:23:05Z","modified":"2026-09-20T13:30:24.504144507Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:47.643553Z"},{"id":"OESA-2026-3906","title":"openjdk-1.8.0 security update","description":"The OpenJDK runtime environment 8.\r\n\r\nSecurity Fix(es):\n\nLIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. Prior to version 1.6.51, a heap buffer over-read vulnerability exists in libpng\u0026apos;s png_do_quantize function when processing PNG files with malformed palette indices. The vulnerability occurs when palette_lookup array bounds are not validated against externally-supplied image data, allowing an attacker to craft a PNG file with out-of-range palette indices that trigger out-of-bounds memory access. This issue has been patched in version 1.6.51.(CVE-2025-64505)\n\nLIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, an out-of-bounds read vulnerability exists in png_image_read_composite when processing palette images with PNG_FLAG_OPTIMIZE_ALPHA enabled. The palette compositing code in png_init_read_transformations incorrectly applies background compositing during premultiplication, violating the invariant component ≤ alpha × 257 required by the simplified PNG API. This issue has been patched in version 1.6.51.(CVE-2025-64720)\n\nLIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. Prior to 1.6.52, an out-of-bounds read vulnerability in libpng\u0026apos;s simplified API allows reading up to 1012 bytes beyond the png_sRGB_base[512] array when processing valid palette PNG images with partial transparency and gamma correction. The PNG files that trigger this vulnerability are valid per the PNG specification; the bug is in libpng\u0026apos;s internal state management. Upgrade to libpng 1.6.52 or later.(CVE-2025-66293)\n\nLIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.6.51 to 1.6.53, there is a heap buffer over-read in the libpng simplified API function png_image_finish_read when processing interlaced 16-bit PNGs with 8-bit output format and non-minimal row stride. This is a regression introduced by the fix for CVE-2025-65018. This vulnerability is fixed in 1.6.54.(CVE-2026-22695)\n\nAn integer overflow in the tt_var_load_item_variation_store function of the Freetype library in versions 2.13.2 and 2.13.3 may allow for an out of bounds read operation when parsing HVAR/VVAR/MVAR tables in OpenType variable fonts. This issue is fixed in version 2.14.2.(CVE-2026-23865)\n\nLIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the png_set_quantize() API function. When the function is called with no histogram and the number of colors in the palette is more than twice the maximum supported by the user\u0026apos;s display, certain palettes will cause the function to enter into an infinite loop that reads past the end of an internal heap-allocated buffer. The images that trigger this vulnerability are valid per the PNG specification. This vulnerability is fixed in 1.6.55.(CVE-2026-25646)\n\nLIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. In versions 1.2.1 through 1.6.55, `png_set_tRNS` and `png_set_PLTE` each alias a heap-allocated buffer between `png_struct` and `png_info`, sharing a single allocation across two structs with independent lifetimes. The `trans_alpha` aliasing has been present since at least libpng 1.0, and the `palette` aliasing since at least 1.2.1. Both affect all prior release lines `png_set_tRNS` sets `png_ptr-\u0026gt;trans_alpha = info_ptr-\u0026gt;trans_alpha` (256-byte buffer) and `png_set_PLTE` sets `info_ptr-\u0026gt;palette = png_ptr-\u0026gt;palette` (768-byte buffer). In both cases, calling `png_free_data` (with `PNG_FREE_TRNS` or `PNG_FREE_PLTE`) frees the buffer through `info_ptr` while the corresponding `png_ptr` pointer remains dangling. Subsequent row-transform functions dereference and, in some code paths, write to the freed memory. A second call to `png_set_tRNS` or `png_set_PLTE` has the same effect, because both functions call `png_free_data` internally before reallocating the `info_ptr` buffer. Version 1.6.56 fixes the issue.(CVE-2026-33416)\n\nLIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. In versions 1.6.36 through 1.6.55, an out-of-bounds read and write exists in libpng\u0026apos;s ARM/AArch64 Neon-optimized palette expansion path. When expanding 8-bit paletted rows to RGB or RGBA, the Neon loop processes a final partial chunk without verifying that enough input pixels remain. Because the implementation works backward from the end of the row, the final iteration dereferences pointers before the start of the row buffer (OOB read) and writes expanded pixel data to the same underflowed positions (OOB write). This is reachable via normal decoding of attacker-controlled PNG input if Neon is enabled. Version 1.6.56 fixes the issue.(CVE-2026-33636)\n\nLIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the corresponding setter on the same png_struct/png_info pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.(CVE-2026-34757)\n\nVulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Security).  Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and  21.0.11; Oracle GraalVM Enterprise Edition: 21.3.18. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data as well as  unauthorized read access to a subset of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 6.5 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N).(CVE-2026-60147)","status":"published","published":"2026-09-20T13:23:06Z","modified":"2026-09-20T13:30:24.611448523Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:47.643553Z"},{"id":"OESA-2026-3907","title":"openjdk-1.8.0 security update","description":"The OpenJDK runtime environment 8.\r\n\r\nSecurity Fix(es):\n\nAn integer overflow in the tt_var_load_item_variation_store function of the Freetype library in versions 2.13.2 and 2.13.3 may allow for an out of bounds read operation when parsing HVAR/VVAR/MVAR tables in OpenType variable fonts. This issue is fixed in version 2.14.2.(CVE-2026-23865)\n\nLIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. In versions 1.2.1 through 1.6.55, `png_set_tRNS` and `png_set_PLTE` each alias a heap-allocated buffer between `png_struct` and `png_info`, sharing a single allocation across two structs with independent lifetimes. The `trans_alpha` aliasing has been present since at least libpng 1.0, and the `palette` aliasing since at least 1.2.1. Both affect all prior release lines `png_set_tRNS` sets `png_ptr-\u0026gt;trans_alpha = info_ptr-\u0026gt;trans_alpha` (256-byte buffer) and `png_set_PLTE` sets `info_ptr-\u0026gt;palette = png_ptr-\u0026gt;palette` (768-byte buffer). In both cases, calling `png_free_data` (with `PNG_FREE_TRNS` or `PNG_FREE_PLTE`) frees the buffer through `info_ptr` while the corresponding `png_ptr` pointer remains dangling. Subsequent row-transform functions dereference and, in some code paths, write to the freed memory. A second call to `png_set_tRNS` or `png_set_PLTE` has the same effect, because both functions call `png_free_data` internally before reallocating the `info_ptr` buffer. Version 1.6.56 fixes the issue.(CVE-2026-33416)\n\nLIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. In versions 1.6.36 through 1.6.55, an out-of-bounds read and write exists in libpng\u0026apos;s ARM/AArch64 Neon-optimized palette expansion path. When expanding 8-bit paletted rows to RGB or RGBA, the Neon loop processes a final partial chunk without verifying that enough input pixels remain. Because the implementation works backward from the end of the row, the final iteration dereferences pointers before the start of the row buffer (OOB read) and writes expanded pixel data to the same underflowed positions (OOB write). This is reachable via normal decoding of attacker-controlled PNG input if Neon is enabled. Version 1.6.56 fixes the issue.(CVE-2026-33636)\n\nLIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the corresponding setter on the same png_struct/png_info pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.(CVE-2026-34757)\n\nVulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Security).  Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and  21.0.11; Oracle GraalVM Enterprise Edition: 21.3.18. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data as well as  unauthorized read access to a subset of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 6.5 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N).(CVE-2026-60147)","status":"published","published":"2026-09-20T13:23:07Z","modified":"2026-09-20T13:30:24.906192068Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:47.643553Z"},{"id":"OESA-2026-3908","title":"openjdk-1.8.0 security update","description":"The OpenJDK runtime environment 8.\r\n\r\nSecurity Fix(es):\n\nAn integer overflow in the tt_var_load_item_variation_store function of the Freetype library in versions 2.13.2 and 2.13.3 may allow for an out of bounds read operation when parsing HVAR/VVAR/MVAR tables in OpenType variable fonts. This issue is fixed in version 2.14.2.(CVE-2026-23865)\n\nLIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. In versions 1.2.1 through 1.6.55, `png_set_tRNS` and `png_set_PLTE` each alias a heap-allocated buffer between `png_struct` and `png_info`, sharing a single allocation across two structs with independent lifetimes. The `trans_alpha` aliasing has been present since at least libpng 1.0, and the `palette` aliasing since at least 1.2.1. Both affect all prior release lines `png_set_tRNS` sets `png_ptr-\u0026gt;trans_alpha = info_ptr-\u0026gt;trans_alpha` (256-byte buffer) and `png_set_PLTE` sets `info_ptr-\u0026gt;palette = png_ptr-\u0026gt;palette` (768-byte buffer). In both cases, calling `png_free_data` (with `PNG_FREE_TRNS` or `PNG_FREE_PLTE`) frees the buffer through `info_ptr` while the corresponding `png_ptr` pointer remains dangling. Subsequent row-transform functions dereference and, in some code paths, write to the freed memory. A second call to `png_set_tRNS` or `png_set_PLTE` has the same effect, because both functions call `png_free_data` internally before reallocating the `info_ptr` buffer. Version 1.6.56 fixes the issue.(CVE-2026-33416)\n\nLIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. In versions 1.6.36 through 1.6.55, an out-of-bounds read and write exists in libpng\u0026apos;s ARM/AArch64 Neon-optimized palette expansion path. When expanding 8-bit paletted rows to RGB or RGBA, the Neon loop processes a final partial chunk without verifying that enough input pixels remain. Because the implementation works backward from the end of the row, the final iteration dereferences pointers before the start of the row buffer (OOB read) and writes expanded pixel data to the same underflowed positions (OOB write). This is reachable via normal decoding of attacker-controlled PNG input if Neon is enabled. Version 1.6.56 fixes the issue.(CVE-2026-33636)\n\nLIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the corresponding setter on the same png_struct/png_info pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.(CVE-2026-34757)\n\nVulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Security).  Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and  21.0.11; Oracle GraalVM Enterprise Edition: 21.3.18. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data as well as  unauthorized read access to a subset of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 6.5 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N).(CVE-2026-60147)","status":"published","published":"2026-09-20T13:23:07Z","modified":"2026-09-20T13:30:25.308033918Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:47.643553Z"},{"id":"RHSA-2026:13719","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update","status":"published","published":"2026-05-06T10:05:34Z","modified":"2026-10-09T10:19:10Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:18.066978Z"},{"id":"ROOT-OS-DEBIAN-12-CVE-2026-34757","title":"CVE-2026-34757 in rootio-libpng1.6 - Patched by Root","description":"Root has patched CVE-2026-34757 in the rootio-libpng1.6 package for Root:Debian:12. Multiple fixed versions available.","status":"withdrawn","published":"2026-04-14T11:02:50Z","modified":"2026-08-27T14:00:07.772493836Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:32.037361Z"},{"id":"UBUNTU-CVE-2026-34757","description":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the corresponding setter on the same png_struct/png_info pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.","status":"published","published":"2026-04-09T15:16:00Z","modified":"2026-08-18T22:15:14.223439834Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"},{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T16:56:16.036833Z"},{"id":"AZL-82643","title":"CVE-2026-34757 affecting package libpng for versions less than 1.6.57-1","description":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the corresponding setter on the same png_struct/png_info pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.","status":"published","published":"2026-04-09T15:16:11Z","modified":"2026-08-28T17:56:42.304059Z","updated_at":"2026-11-02T15:28:10.335477Z"},{"id":"AZL-85478","title":"CVE-2026-34757 affecting package fltk 1.3.8-1","description":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the corresponding setter on the same png_struct/png_info pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.","status":"published","published":"2026-04-09T15:16:11Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:25.190302Z"},{"id":"AZL-85481","title":"CVE-2026-34757 affecting package gdal 3.6.3-2","description":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the corresponding setter on the same png_struct/png_info pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.","status":"published","published":"2026-04-09T15:16:11Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:25.190302Z"},{"id":"AZL-85484","title":"CVE-2026-34757 affecting package libpng12 1.2.57-16","description":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the corresponding setter on the same png_struct/png_info pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.","status":"published","published":"2026-04-09T15:16:11Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:25.190302Z"},{"id":"AZL-85487","title":"CVE-2026-34757 affecting package libpng15 1.5.30-15","description":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the corresponding setter on the same png_struct/png_info pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.","status":"published","published":"2026-04-09T15:16:11Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:25.190302Z"},{"id":"AZL-85490","title":"CVE-2026-34757 affecting package openjpeg2 2.3.1-12","description":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the corresponding setter on the same png_struct/png_info pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.","status":"published","published":"2026-04-09T15:16:11Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:25.190302Z"},{"id":"AZL-85493","title":"CVE-2026-34757 affecting package optipng 0.7.8-5","description":"LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the corresponding setter on the same png_struct/png_info pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.","status":"published","published":"2026-04-09T15:16:11Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:25.190302Z"},{"id":"CLSA-2026-1778891359","title":"libpng: Fix of CVE-2026-34757","description":"- CVE-2026-34757: use-after-free in png_set_PLTE, png_set_tRNS, png_set_hIST,\n  png_set_text, png_set_sPLT and png_set_unknown_chunks when the caller passes\n  the pointer returned by the corresponding getter back to the setter","status":"published","published":"2026-05-16T00:29:24Z","modified":"2026-06-01T00:32:31.391172005Z","updated_at":"2026-11-02T15:43:44.737408Z"},{"id":"CLSA-2026-1778928586","title":"libpng: Fix of CVE-2026-34757","description":"- CVE-2026-34757: use-after-free in png_set_PLTE, png_set_tRNS, png_set_hIST,\n  png_set_text, png_set_sPLT and png_set_unknown_chunks when the caller passes\n  the pointer returned by the corresponding getter back to the setter","status":"published","published":"2026-05-16T10:49:51Z","modified":"2026-06-01T00:32:53.587516692Z","updated_at":"2026-11-02T15:43:44.737408Z"},{"id":"CLSA-2026-1779127797","title":"libpng15: Fix of CVE-2026-34757","description":"- CVE-2026-34757: Use snapshot-before-free and defer-free patterns to prevent use-after-free when a caller passes a pointer obtained from png_get_PLTE, png_get_tRNS, png_get_hIST, png_get_text, png_get_sPLT, or png_get_unknown_chunks back into the corresponding setter (issues 836 and 837)","status":"published","published":"2026-05-18T18:10:01Z","modified":"2026-06-01T00:32:53.638191487Z","updated_at":"2026-11-02T15:43:45.090939Z"},{"id":"CLSA-2026-1779129500","title":"libpng15: Fix of CVE-2026-34757","description":"- CVE-2026-34757: Use snapshot-before-free and defer-free patterns to prevent use-after-free when a caller passes a pointer obtained from png_get_PLTE, png_get_tRNS, png_get_hIST, png_get_text, png_get_sPLT, or png_get_unknown_chunks back into the corresponding setter (issues 836 and 837)","status":"published","published":"2026-05-18T18:38:24Z","modified":"2026-06-01T00:32:33.782404666Z","updated_at":"2026-11-02T15:43:45.090939Z"},{"id":"openSUSE-SU-2026:10564-1","title":"libpng16-16-1.6.57-1.1 on GA media","description":"These are all security issues fixed in the libpng16-16-1.6.57-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-04-16T00:00:00Z","modified":"2026-04-17T09:01:07.168331Z","updated_at":"2026-11-02T16:58:38.415593Z"},{"id":"openSUSE-SU-2026:10640-1","title":"libpng12-0-1.2.59-5.1 on GA media","description":"These are all security issues fixed in the libpng12-0-1.2.59-5.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-04-28T00:00:00Z","modified":"2026-04-29T08:02:13.098149Z","updated_at":"2026-11-02T16:58:38.415593Z"},{"id":"openSUSE-SU-2026:20593-1","title":"Security update for libpng16","description":"This update for libpng16 fixes the following issue:\n\n- CVE-2026-34757: libpng: Information disclosure and data corruption via use-after-free vulnerability (bsc#1261957).\n","status":"published","published":"2026-04-21T09:59:18Z","modified":"2026-04-23T18:24:40.790946Z","updated_at":"2026-11-02T16:58:41.463445Z"},{"id":"SUSE-SU-2026:1500-1","title":"Security update for libpng15","description":"This update for libpng15 fixes the following issues:\n\n- CVE-2026-34757: use-after-free in `png_set_PLTE`, `png_set_tRNS` and `png_set_hIST` can lead to information\n  disclosure and data corruption (bsc#1261957).\n- CVE-2026-33416: use-after-free via pointer aliasing in `png_set_tRNS` and `png_set_PLTE` can lead to arbitrary code\n  execution (bsc#1260754).\n","status":"published","published":"2026-04-20T16:16:39Z","modified":"2026-04-22T08:15:58.457976Z","updated_at":"2026-11-02T15:54:01.610851Z"},{"id":"SUSE-SU-2026:1601-1","title":"Security update for libpng16","description":"This update for libpng16 fixes the following issue:\n\n- CVE-2026-34757: information disclosure and data corruption due to use-after-free in `png_set_PLTE`, `png_set_tRNS`\n  and `png_set_hIST` (bsc#1261957).\n","status":"published","published":"2026-04-24T11:46:16Z","modified":"2026-04-25T07:45:40.239861Z","updated_at":"2026-11-02T15:54:01.610851Z"},{"id":"SUSE-SU-2026:1602-1","title":"Security update for libpng16","description":"This update for libpng16 fixes the following issue:\n\n- CVE-2026-34757: information disclosure and data corruption due to use-after-free in `png_set_PLTE`, `png_set_tRNS`\n  and `png_set_hIST` (bsc#1261957).\n","status":"published","published":"2026-04-24T11:46:29Z","modified":"2026-04-25T07:45:49.997944Z","updated_at":"2026-11-02T15:54:01.610851Z"},{"id":"SUSE-SU-2026:1702-1","title":"Security update for libpng12","description":"This update for libpng12 fixes the following issues:\n\nUpdate to version 1.2.59 (jsc#PED-16191).\n\n- CVE-2026-33416: use-after-free via pointer aliasing in `png_set_tRNS` and `png_set_PLTE` can lead to arbitrary code\n  execution (bsc#1260754).\n- CVE-2026-34757: use-after-free in `png_set_PLTE`, `png_set_tRNS` and `png_set_hIST` can lead to corrupted chunk data\n  and potential heap information disclosure (bsc#1261957).\n","status":"published","published":"2026-05-06T07:42:57Z","modified":"2026-05-07T08:45:20.365214Z","updated_at":"2026-11-02T15:54:01.610851Z"},{"id":"SUSE-SU-2026:1716-1","title":"Security update for libpng12","description":"This update for libpng12 fixes the following issues:\n\nUpdate to version 1.2.59 (jsc#PED-16191).\n\nSecurity issues :\n\n- CVE-2017-12652: missing chunk length check can lead to sensitive information disclosure, data corruption or crash\n  (bsc#1141493).\n- CVE-2026-33416: use-after-free via pointer aliasing in `png_set_tRNS` and `png_set_PLTE` can lead to arbitrary code\n  execution (bsc#1260754).\n- CVE-2026-34757: use-after-free in `png_set_PLTE`, `png_set_tRNS` and `png_set_hIST` can lead to corrupted chunk data\n  and potential heap information disclosure (bsc#1261957).\n","status":"published","published":"2026-05-06T12:11:50Z","modified":"2026-05-07T08:46:29.501476Z","updated_at":"2026-11-02T15:54:01.610851Z"},{"id":"SUSE-SU-2026:2057-1","title":"Security update for libpng16","description":"This update for libpng16 fixes the following issue:\n\n- CVE-2026-34757: information disclosure and data corruption due to use-after-free in `png_set_PLTE`, `png_set_tRNS`\n  and `png_set_hIST` (bsc#1261957).\n","status":"published","published":"2026-05-25T14:04:11Z","modified":"2026-05-26T08:15:05.346396875Z","updated_at":"2026-11-02T15:54:01.953589Z"},{"id":"SUSE-SU-2026:21239-1","title":"Security update for libpng16","description":"This update for libpng16 fixes the following issue:\n\n- CVE-2026-34757: libpng: Information disclosure and data corruption via use-after-free vulnerability (bsc#1261957).\n","status":"published","published":"2026-04-21T10:01:03Z","modified":"2026-04-23T18:26:40.931273Z","updated_at":"2026-11-02T15:54:02.312556Z"},{"id":"SUSE-SU-2026:21251-1","title":"Security update for libpng16","description":"This update for libpng16 fixes the following issue:\n\n- CVE-2026-34757: libpng: Information disclosure and data corruption via use-after-free vulnerability (bsc#1261957).\n","status":"published","published":"2026-04-21T09:02:28Z","modified":"2026-04-24T18:23:54.665246Z","updated_at":"2026-11-02T15:54:02.312556Z"},{"id":"SUSE-SU-2026:21262-1","title":"Security update for libpng16","description":"This update for libpng16 fixes the following issue:\n\n- CVE-2026-34757: libpng: Information disclosure and data corruption via use-after-free vulnerability (bsc#1261957).\n","status":"published","published":"2026-04-21T08:32:33Z","modified":"2026-04-24T18:25:11.719208Z","updated_at":"2026-11-02T15:54:02.312556Z"},{"id":"SUSE-SU-2026:21364-1","title":"Security update for libpng16","description":"This update for libpng16 fixes the following issue:\n\n- CVE-2026-34757: libpng: Information disclosure and data corruption via use-after-free vulnerability (bsc#1261957).\n","status":"published","published":"2026-04-21T10:01:03Z","modified":"2026-04-29T18:23:57.917333Z","updated_at":"2026-11-02T15:54:02.312556Z"},{"id":"SUSE-SU-2026:23063-1","title":"Security update for libpng16","description":"This update for libpng16 fixes the following issues:\n\nChanges for libpng16:\n\n- version update to 1.6.58 (jsc#PED-16190).\n","status":"published","published":"2026-08-11T10:52:28Z","modified":"2026-08-12T10:45:03.503374147Z","updated_at":"2026-11-02T15:54:03.503431Z"},{"id":"SUSE-SU-2026:23514-1","title":"Security update for libpng16","description":"This update for libpng16 fixes the following issues:\n\nChanges for libpng16:\n\n- Version update to 1.6.58 (jsc#PED-16190).\n","status":"published","published":"2026-09-02T09:14:07Z","modified":"2026-09-15T18:23:08.860509404Z","updated_at":"2026-11-02T15:54:03.991985Z"}]}}