{"id":"CVE-2026-42169","aliases":["ALSA-2026:50817","DEBIAN-CVE-2026-42169","EUVD-2026-52573","GHSA-xq2c-w9r3-rwr6","OESA-2026-3413","OESA-2026-3414","RHSA-2026:50817","RHSA-2026:73768","RHSA-2026:80509","UBUNTU-CVE-2026-42169"],"status":"published","title":"Gimp: gimp apng loader heap-buffer-overflow when fctl width exceeds ihdr width (file-png.c)","description":"A heap-buffer-overflow vulnerability exists in the APNG (Animated PNG) file loader of GIMP. This flaw occurs when the `fcTL` width exceeds the `IHDR` width, leading to pixel data being written past the end of a heap allocation. Additionally, a heap-based buffer overflow exists in the DDS plug-in due to a BPP mismatch in the `load_layer()` function. Both vulnerabilities can be triggered by opening a specially crafted image file, potentially leading to code execution.","severity":{"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","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00133,"percentile":0.02892,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-131"],"published":"2026-08-04T03:15:25Z","modified":"2026-11-05T21:18:49Z","fixes":[{"ecosystem":"Debian:14","package":"gimp","fixed_in":["3.2.4-1"],"sources":["osv"]},{"ecosystem":"openEuler:24.03-LTS-SP1","package":"gimp","fixed_in":["3.0.2-19.oe2403sp1"],"sources":["osv"]},{"ecosystem":"openEuler:24.03-LTS-SP3","package":"gimp","fixed_in":["3.0.2-19.oe2403sp3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"AlmaLinux:9","package":"gimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.0.4-4.el9_8.9"}]}],"bundled":3},{"source":"osv","ecosystem":"AlmaLinux:9","package":"gimp-libs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.0.4-4.el9_8.9"}]}],"bundled":3},{"source":"osv","ecosystem":"Debian:14","package":"gimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.4-1"}]}],"versions":["3.0.4-3","3.0.4-4","3.0.4-5","3.0.4-6","3.0.4-6.1","3.0.4-6.2","3.0.6-1","3.2.0-1","3.2.0~RC2-1","3.2.0~RC2-2","3.2.0~RC2-3","3.2.0~RC2-3.1","3.2.0~RC2-3.2","3.2.0~RC2-3.3","3.2.0~RC3-1","3.2.2-1"]},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP1","package":"gimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.2-19.oe2403sp1"}]}]},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP3","package":"gimp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.2-19.oe2403sp3"}]}]},{"source":"osv","ecosystem":"Red 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This flaw occurs when the `fcTL` width exceeds the `IHDR` width, leading to pixel data being written past the end of a heap allocation. Additionally, a heap-based buffer overflow exists in the DDS plug-in due to a BPP mismatch in the `load_layer()` function. Both vulnerabilities can be triggered by opening a specially crafted image file, potentially leading to code execution.","status":"published","published":"2026-08-04T03:15:25.271Z","modified":"2026-11-05T20:46:43.346Z","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","assessor":"cna"}],"cwes":["CWE-131"],"updated_at":"2026-11-05T21:25:06.152449Z"}],"euvd":[{"id":"EUVD-2026-52573","description":"A heap-buffer-overflow vulnerability exists in the APNG (Animated PNG) file loader of GIMP. This flaw occurs when the `fcTL` width exceeds the `IHDR` width, leading to pixel data being written past the end of a heap allocation. Additionally, a heap-based buffer overflow exists in the DDS plug-in due to a BPP mismatch in the `load_layer()` function. Both vulnerabilities can be triggered by opening a specially crafted image file, potentially leading to code execution.","status":"published","published":"2026-08-04T03:15:25Z","modified":"2026-11-05T20:46:43Z","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":"2026-11-05T22:02:10.222428Z"}],"ghsa":[{"id":"GHSA-xq2c-w9r3-rwr6","title":"A heap-buffer-overflow vulnerability exists in the APNG (Animated PNG) file loader of GIMP. This...","description":"A heap-buffer-overflow vulnerability exists in the APNG (Animated PNG) file loader of GIMP. This flaw occurs when the `fcTL` width exceeds the `IHDR` width, leading to pixel data being written past the end of a heap allocation. Additionally, a heap-based buffer overflow exists in the DDS plug-in due to a BPP mismatch in the `load_layer()` function. Both vulnerabilities can be triggered by opening a specially crafted image file, potentially leading to code execution.","status":"published","published":"2026-08-04T06:31:36Z","modified":"2026-11-02T12:30:21Z","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"}],"cwes":["CWE-131"],"updated_at":"2026-11-02T15:14:55.927217Z"}],"nvd":[{"id":"CVE-2026-42169","description":"A heap-buffer-overflow vulnerability exists in the APNG (Animated PNG) file loader of GIMP. This flaw occurs when the `fcTL` width exceeds the `IHDR` width, leading to pixel data being written past the end of a heap allocation. Additionally, a heap-based buffer overflow exists in the DDS plug-in due to a BPP mismatch in the `load_layer()` function. Both vulnerabilities can be triggered by opening a specially crafted image file, potentially leading to code execution.","status":"published","published":"2026-08-04T04:16:32.71Z","modified":"2026-11-05T21:18:49.383Z","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","assessor":"secondary"},{"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":"primary"}],"cwes":["CWE-131"],"updated_at":"2026-11-05T23:57:20.03485Z"}],"osv":[{"id":"DEBIAN-CVE-2026-42169","description":"A heap-buffer-overflow vulnerability exists in the APNG (Animated PNG) file loader of GIMP. This flaw occurs when the `fcTL` width exceeds the `IHDR` width, leading to pixel data being written past the end of a heap allocation. Additionally, a heap-based buffer overflow exists in the DDS plug-in due to a BPP mismatch in the `load_layer()` function. Both vulnerabilities can be triggered by opening a specially crafted image file, potentially leading to code execution.","status":"published","published":"2026-08-04T04:16:32.71Z","modified":"2026-11-03T09:47:35.991264284Z","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":"2026-11-03T10:27:58.933618Z"},{"id":"OESA-2026-3413","title":"gimp security update","description":"The GIMP is an image composition and editing program, which can be used for creating logos and other graphics for Web pages. The GIMP offers many tools and filters, and provides a large image manipulation toolbox, including channel operations and layers, effects, subpixel imaging and antialiasing, and conversions, together with multilevel undo. The GIMP offers a scripting facility, but many of the included scripts rely on fonts that we cannot distribute.\r\n\r\nSecurity Fix(es):\n\nA vulnerability classified as critical has been found in GIMP (Image Processing Software) (unknown version).CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().This is going to have an impact on confidentiality, integrity, and availability.There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.(CVE-2026-42169)","status":"published","published":"2026-08-20T09:54:57Z","modified":"2026-08-20T10:15:07.703741441Z","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":"2026-11-02T15:52:47.217107Z"},{"id":"OESA-2026-3414","title":"gimp security update","description":"The GIMP is an image composition and editing program, which can be used for creating logos and other graphics for Web pages. The GIMP offers many tools and filters, and provides a large image manipulation toolbox, including channel operations and layers, effects, subpixel imaging and antialiasing, and conversions, together with multilevel undo. The GIMP offers a scripting facility, but many of the included scripts rely on fonts that we cannot distribute.\r\n\r\nSecurity Fix(es):\n\nA vulnerability classified as critical has been found in GIMP (Image Processing Software) (unknown version).CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().This is going to have an impact on confidentiality, integrity, and availability.There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.(CVE-2026-42169)","status":"published","published":"2026-08-20T09:54:58Z","modified":"2026-08-20T10:15:07.725944559Z","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":"2026-11-02T15:52:47.217107Z"},{"id":"RHSA-2026:50817","title":"Red Hat Security Advisory: gimp security update","status":"published","published":"2026-08-06T10:14:08Z","modified":"2026-10-14T10:48:11.885031183Z","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":"2026-11-02T15:53:20.984762Z"},{"id":"RHSA-2026:73768","title":"Red Hat Security Advisory: gimp security update","status":"published","published":"2026-10-01T10:21:02Z","modified":"2026-10-12T10:08:29Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:22.928316Z"},{"id":"RHSA-2026:80509","title":"Red Hat Security Advisory: gimp security update","status":"published","published":"2026-10-14T10:31:47Z","modified":"2026-10-14T10:48:08.656415964Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:23.547034Z"},{"id":"UBUNTU-CVE-2026-42169","description":"A heap-buffer-overflow vulnerability exists in the APNG (Animated PNG) file loader of GIMP. This flaw occurs when the `fcTL` width exceeds the `IHDR` width, leading to pixel data being written past the end of a heap allocation. Additionally, a heap-based buffer overflow exists in the DDS plug-in due to a BPP mismatch in the `load_layer()` function. Both vulnerabilities can be triggered by opening a specially crafted image file, potentially leading to code execution.","status":"published","published":"2026-08-04T04:16:00Z","modified":"2026-10-02T12:18:08.5996298Z","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"},{"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":"2026-11-02T16:56:18.393417Z"},{"id":"ALSA-2026:50817","title":"Important: gimp security update","description":"The GIMP (GNU Image Manipulation Program) is an image composition and editing program. GIMP provides a large image manipulation toolbox, including channel operations and layers, effects, sub-pixel imaging and anti-aliasing, and conversions, all with multi-level undo.  \n\nSecurity Fix(es):  \n\n  * gimp: GIMP APNG loader heap-buffer-overflow when fcTL width exceeds IHDR width (file-png.c) (CVE-2026-42169)\n  * gimp: integer overflow in file-fits plugin causes a heap-based buffer overflow on crafted FITS images (CVE-2026-66758)\n  * gimp: out-of-bounds read in file-icns plugin causes information disclosure or crash on crafted ICNS images (CVE-2026-66759)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-08-05T00:00:00Z","modified":"2026-10-29T11:32:36.362355804Z","updated_at":"2026-11-02T15:27:54.753319Z"}]}}