{"id":"CVE-2026-52492","aliases":["AZL-97923","BELL-CVE-2026-52492","DEBIAN-CVE-2026-52492","EUVD-2026-65145","GHSA-c22p-2vpj-rh5j","OESA-2026-3654","OESA-2026-3655","RHSA-2026:53467"],"status":"published","title":"An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip...","description":"An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00188,"percentile":0.08477,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2026-08-24T00:00:00Z","modified":"2026-10-28T10:51:56Z","affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"libtiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"4.6.0-14"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.5.0-6","4.5.0-6+deb12u1","4.5.0-6+deb12u2","4.5.0-6+deb12u3","4.5.0-6+deb12u4","4.5.1+git230720-1","4.5.1+git230720-2","4.5.1+git230720-3","4.5.1+git230720-4","4.5.1+git230720-5","4.5.1-1","4.5.1~rc3-1","4.6.0-1","4.6.0-2","4.7.0-1","4.7.0-2","4.7.0-3","4.7.0-4","4.7.0-5","4.7.1-1","4.7.1-2","4.7.1-3","4.7.2-1"]},{"source":"osv","ecosystem":"Debian:13","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.7.0-3","4.7.0-3+deb13u1","4.7.0-3+deb13u2","4.7.0-3+deb13u3","4.7.0-4","4.7.0-5","4.7.1-1","4.7.1-2","4.7.1-3","4.7.2-1"]},{"source":"osv","ecosystem":"Debian:14","package":"tiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.7.0-3","4.7.0-4","4.7.0-5","4.7.1-1","4.7.1-2","4.7.1-3","4.7.2-1"]},{"source":"osv","ecosystem":"openEuler:22.03-LTS-SP4","package":"libtiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.0-54.oe2203sp4"}]}],"bundled":3},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP4","package":"libtiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.0-40.oe2003sp4"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:hummingbird:1","package":"libtiff","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.7.2-2.hum1"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:hummingbird:1","package":"libtiff-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.7.2-2.hum1"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:hummingbird:1","package":"libtiff-static","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.7.2-2.hum1"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:hummingbird:1","package":"libtiff-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.7.2-2.hum1"}]}],"bundled":4}],"references":[{"url":"https://gitlab.com/libtiff/libtiff/-/commit/94affc5cf54111312f9891eb77accb93eebc28d7","tags":["fix","article"]},{"url":"https://gist.github.com/okyfh/fbc5a37cade358361d80f6a498560cfa","tags":["web","article"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52492","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-c22p-2vpj-rh5j"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2026-52492","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52492.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-52492","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3654","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52490","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52491","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3655","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:53467","tags":["advisory"]},{"url":"https://images.redhat.com/","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-52492","tags":["report"]},{"url":"https://access.redhat.com/security/updates/classification/","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-52490","tags":["report"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-52491","tags":["report"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-18495","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_53467.json","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2531414","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-18495","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18495","tags":["advisory"]},{"url":"https://gitlab.com/libtiff/libtiff/-/merge_requests/729","tags":["article"]},{"url":"https://gitlab.com/libtiff/libtiff/-/tree/67fd283d276f09db54dc39b9ef7b979d4b45c4b1","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2523148","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-52490","tags":["advisory"]},{"url":"https://gist.github.com/okyfh/122c2d72e991a78c8af80a3af3be8671","tags":["article"]},{"url":"https://gitlab.com/libtiff/libtiff/-/work_items/846","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2524131","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-52491","tags":["advisory"]},{"url":"https://gist.github.com/okyfh/5cc53fa67d229017231cf18c91768bd9","tags":["article"]},{"url":"https://gitlab.com/libtiff/libtiff/-/commit/9ce4d089bcf25496663776d9e6336738112f09a3","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2523134","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-52492","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-52492","description":"An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image","status":"published","published":"2026-08-24T00:00:00Z","modified":"2026-08-27T19:05:00.091Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T13:40:57.334596Z"}],"euvd":[{"id":"EUVD-2026-65145","description":"An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image","status":"published","published":"2026-08-24T00:00:00Z","modified":"2026-08-27T19:05:00Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:26.820985Z"}],"ghsa":[{"id":"GHSA-c22p-2vpj-rh5j","title":"An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip...","description":"An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image","status":"published","published":"2026-08-24T21:33:46Z","modified":"2026-08-27T21:31:22Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T15:11:05.100142Z"}],"nvd":[{"id":"CVE-2026-52492","description":"An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image","status":"published","published":"2026-08-24T21:17:19.927Z","modified":"2026-10-12T21:10:00.227Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:12:41.018848Z"}],"osv":[{"id":"BELL-CVE-2026-52492","title":"CVE-2026-52492 does not affect BellSoft software","status":"withdrawn","published":"2026-08-27T06:10:23.207873Z","modified":"2026-09-06T07:15:24.655043132Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:24.391068Z"},{"id":"CVE-2026-52492","description":"An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image","status":"published","published":"2026-08-24T00:00:00Z","modified":"2026-10-28T10:51:56.373490214Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:07.431113Z"},{"id":"DEBIAN-CVE-2026-52492","description":"An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image","status":"published","published":"2026-08-24T21:17:19.927Z","modified":"2026-10-13T09:47:39.081339169Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:56.877408Z"},{"id":"OESA-2026-3654","title":"libtiff security update","description":"This  provides support for the Tag Image File Format (TIFF), a widely used format for storing image data. The latest version of the TIFF specification is available on-line in several different formats.And contains command-line programs for manipulating TIFF format image files using the libtiff library.\r\n\r\nSecurity Fix(es):\n\nAn issue in libtiff allows an attacker to execute arbitrary code via the process_command_opts() function in tools/tiffcrop.c. The vulnerability is classified as CWE-94 (Code Injection), where the product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.(CVE-2026-52490)\n\nAn issue in libtiff 85f2ac8e0b01cb7db2bbecf4a3b891bdbef67938 allows an attacker to execute arbitrary code via the libtiff/tools/thumbnail.c: main() component(CVE-2026-52491)\n\nAn integer overflow in the libtiff rgb2ycbcr utility\u0026apos;s cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image.(CVE-2026-52492)","status":"published","published":"2026-09-05T15:03:32Z","modified":"2026-09-05T15:16:34.010009713Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:47.217107Z"},{"id":"OESA-2026-3655","title":"libtiff security update","description":"This  provides support for the Tag Image File Format (TIFF), a widely used format for storing image data. The latest version of the TIFF specification is available on-line in several different formats.And contains command-line programs for manipulating TIFF format image files using the libtiff library.\r\n\r\nSecurity Fix(es):\n\nAn issue in libtiff allows an attacker to execute arbitrary code via the process_command_opts() function in tools/tiffcrop.c. The vulnerability is classified as CWE-94 (Code Injection), where the product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.(CVE-2026-52490)\n\nAn issue in libtiff 85f2ac8e0b01cb7db2bbecf4a3b891bdbef67938 allows an attacker to execute arbitrary code via the libtiff/tools/thumbnail.c: main() component(CVE-2026-52491)\n\nAn integer overflow in the libtiff rgb2ycbcr utility\u0026apos;s cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image.(CVE-2026-52492)","status":"published","published":"2026-09-05T15:03:33Z","modified":"2026-09-05T15:16:34.008066533Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:47.217107Z"},{"id":"RHSA-2026:53467","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-08-27T10:14:37Z","modified":"2026-10-08T10:14:35Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:21.457353Z"},{"id":"AZL-97923","title":"CVE-2026-52492 affecting package libtiff 4.6.0-14","description":"An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image","status":"published","published":"2026-08-24T21:17:19Z","modified":"2026-09-08T05:27:28Z","updated_at":"2026-11-02T15:28:12.313414Z"}]}}