{"id":"CVE-2026-66757","aliases":["CLSA-2026-1787057425","CLSA-2026-1787058577","DEBIAN-CVE-2026-66757","EUVD-2026-49403","GHSA-3xfh-g29g-69hj","MGASA-2026-0578","OESA-2026-3245","OESA-2026-3246","OESA-2026-3247","SUSE-SU-2026:4309-1","UBUNTU-CVE-2026-66757","openSUSE-SU-2026:11449-1","openSUSE-SU-2026:21521-1","openSUSE-SU-2026:21733-1","openSUSE-SU-2026:21839-1"],"status":"published","title":"Gimp: signed integer overflow in file-sgi (sgi-lib) causes the plugin to crash on rle sgi images","description":"A flaw was found in the file-sgi plugin in GIMP. When processing an RLE-compressed SGI image, the plugin allocates memory for a row table. The image header dimensions (ysize and zsize) are read as 16-bit unsigned integers. If a crafted file sets both dimensions to their maximum value (65535), the multiplication ysize * zsize overflows the standard 32-bit int boundary before being passed to calloc. This integer overflow issue results in undefined behavior, aborting the plugin and causing a denial of 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When processing an RLE-compressed SGI image, the plugin allocates memory for a row table. The image header dimensions (ysize and zsize) are read as 16-bit unsigned integers. If a crafted file sets both dimensions to their maximum value (65535), the multiplication ysize * zsize overflows the standard 32-bit int boundary before being passed to calloc. This integer overflow issue results in undefined behavior, aborting the plugin and causing a denial of service.","status":"published","published":"2026-07-27T19:07:13.384Z","modified":"2026-11-05T22:13:18.535Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-190"],"updated_at":"2026-11-05T23:55:29.66083Z"}],"euvd":[{"id":"EUVD-2026-49403","description":"A flaw was found in the file-sgi plugin in GIMP. When processing an RLE-compressed SGI image, the plugin allocates memory for a row table. 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If a crafted file sets both dimensions to their maximum value (65535), the multiplication ysize * zsize overflows the standard 32-bit int boundary before being passed to calloc. This integer overflow issue results in undefined behavior, aborting the plugin and causing a denial of service.","status":"published","published":"2026-07-27T19:17:23.473Z","modified":"2026-11-05T23:16:56.273Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-190"],"updated_at":"2026-11-06T01:57:39.389848Z"}],"osv":[{"id":"CVE-2026-66757","title":"Gimp: signed integer overflow in file-sgi (sgi-lib) causes the plugin to crash on rle sgi images","description":"A flaw was found in the file-sgi plugin in GIMP. When processing an RLE-compressed SGI image, the plugin allocates memory for a row table. The image header dimensions (ysize and zsize) are read as 16-bit unsigned integers. If a crafted file sets both dimensions to their maximum value (65535), the multiplication ysize * zsize overflows the standard 32-bit int boundary before being passed to calloc. This integer overflow issue results in undefined behavior, aborting the plugin and causing a denial of service.","status":"published","published":"2026-07-27T19:07:13.384Z","modified":"2026-11-07T02:30:24.727654462Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-190"],"updated_at":"2026-11-07T03:08:09.095443Z"},{"id":"DEBIAN-CVE-2026-66757","description":"A flaw was found in the file-sgi plugin in GIMP. When processing an RLE-compressed SGI image, the plugin allocates memory for a row table. The image header dimensions (ysize and zsize) are read as 16-bit unsigned integers. If a crafted file sets both dimensions to their maximum value (65535), the multiplication ysize * zsize overflows the standard 32-bit int boundary before being passed to calloc. This integer overflow issue results in undefined behavior, aborting the plugin and causing a denial of service.","status":"published","published":"2026-07-27T19:17:23.473Z","modified":"2026-11-06T10:04:13.05657459Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-06T10:38:22.758306Z"},{"id":"OESA-2026-3245","title":"gimp security update","description":"GIMP is a cross-platform image editor available for GNU/Linux, OS X, Windows and more operating systems. It is free software, you can change its source code and distribute your changes. Whether you are a graphic designer, photographer, illustrator, or scientist, GIMP provides you with sophisticated tools to get your job done. You can further enhance your productivity with GIMP thanks to many customization options and 3rd party plugins.\r\n\r\nSecurity Fix(es):\n\n(CVE-2026-59087)\n\n(CVE-2026-59088)\n\nA flaw was found in the file-sgi plugin in GIMP. When processing an RLE-compressed SGI image, the plugin allocates memory for a row table. The image header dimensions (ysize and zsize) are read as 16-bit unsigned integers. If a crafted file sets both dimensions to their maximum value (65535), the multiplication ysize * zsize overflows the standard 32-bit int boundary before being passed to calloc. This integer overflow issue results in undefined behavior, aborting the plugin and causing a denial of service.(CVE-2026-66757)\n\nA flaw was found in the file-fits plugin in GIMP. When processing a FITS image file, the plugin calculates memory allocation sizes using signed 32-bit integers for width and height. If a crafted file sets both values to large values, their product exceeds 2^31 and overflows, resulting in an undersized heap-based buffer allocation. This integer overflow issue results in a heap-based buffer overflow when cfitsio subsequently writes a full row of pixels in the buffer, causing memory corruption, potentially leading to arbitrary code execution or a denial of service.(CVE-2026-66758)\n\nA flaw was found in the file-icns plugin in GIMP. When applying a decompressed mask during ICNS image processing, the plugin reads from the mask data buffer without verifying if the cursor exceeds the allocated resource size. If a crafted file contains a truncated mask resource, the icns_decompress function continues reading past the bounds of the buffer. This out-of-bounds read vulnerability results in information disclosure of heap contents, where memory contents are leaked as alpha channel pixel values, or a crash leading to a denial of service if unmapped memory is accessed.(CVE-2026-66759)","status":"published","published":"2026-08-07T02:41:46Z","modified":"2026-08-07T03:00:54.276670825Z","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":"2026-11-02T15:52:46.823443Z"},{"id":"OESA-2026-3246","title":"gimp security update","description":"GIMP is a cross-platform image editor available for GNU/Linux, OS X, Windows and more operating systems. It is free software, you can change its source code and distribute your changes. Whether you are a graphic designer, photographer, illustrator, or scientist, GIMP provides you with sophisticated tools to get your job done. You can further enhance your productivity with GIMP thanks to many customization options and 3rd party plugins.\r\n\r\nSecurity Fix(es):\n\n(CVE-2026-59088)\n\nA flaw was found in the file-sgi plugin in GIMP. When processing an RLE-compressed SGI image, the plugin allocates memory for a row table. The image header dimensions (ysize and zsize) are read as 16-bit unsigned integers. If a crafted file sets both dimensions to their maximum value (65535), the multiplication ysize * zsize overflows the standard 32-bit int boundary before being passed to calloc. This integer overflow issue results in undefined behavior, aborting the plugin and causing a denial of service.(CVE-2026-66757)\n\nA flaw was found in the file-fits plugin in GIMP. When processing a FITS image file, the plugin calculates memory allocation sizes using signed 32-bit integers for width and height. If a crafted file sets both values to large values, their product exceeds 2^31 and overflows, resulting in an undersized heap-based buffer allocation. This integer overflow issue results in a heap-based buffer overflow when cfitsio subsequently writes a full row of pixels in the buffer, causing memory corruption, potentially leading to arbitrary code execution or a denial of service.(CVE-2026-66758)\n\nA flaw was found in the file-icns plugin in GIMP. When applying a decompressed mask during ICNS image processing, the plugin reads from the mask data buffer without verifying if the cursor exceeds the allocated resource size. If a crafted file contains a truncated mask resource, the icns_decompress function continues reading past the bounds of the buffer. This out-of-bounds read vulnerability results in information disclosure of heap contents, where memory contents are leaked as alpha channel pixel values, or a crash leading to a denial of service if unmapped memory is accessed.(CVE-2026-66759)","status":"published","published":"2026-08-07T02:41:49Z","modified":"2026-08-07T03:00:54.076767474Z","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":"2026-11-02T15:52:46.823443Z"},{"id":"OESA-2026-3247","title":"gimp security update","description":"GIMP is a cross-platform image editor available for GNU/Linux, OS X, Windows and more operating systems. It is free software, you can change its source code and distribute your changes. Whether you are a graphic designer, photographer, illustrator, or scientist, GIMP provides you with sophisticated tools to get your job done. You can further enhance your productivity with GIMP thanks to many customization options and 3rd party plugins.\r\n\r\nSecurity Fix(es):\n\n(CVE-2026-59088)\n\nA flaw was found in the file-sgi plugin in GIMP. When processing an RLE-compressed SGI image, the plugin allocates memory for a row table. The image header dimensions (ysize and zsize) are read as 16-bit unsigned integers. If a crafted file sets both dimensions to their maximum value (65535), the multiplication ysize * zsize overflows the standard 32-bit int boundary before being passed to calloc. This integer overflow issue results in undefined behavior, aborting the plugin and causing a denial of service.(CVE-2026-66757)\n\nA flaw was found in the file-fits plugin in GIMP. When processing a FITS image file, the plugin calculates memory allocation sizes using signed 32-bit integers for width and height. If a crafted file sets both values to large values, their product exceeds 2^31 and overflows, resulting in an undersized heap-based buffer allocation. This integer overflow issue results in a heap-based buffer overflow when cfitsio subsequently writes a full row of pixels in the buffer, causing memory corruption, potentially leading to arbitrary code execution or a denial of service.(CVE-2026-66758)\n\nA flaw was found in the file-icns plugin in GIMP. When applying a decompressed mask during ICNS image processing, the plugin reads from the mask data buffer without verifying if the cursor exceeds the allocated resource size. If a crafted file contains a truncated mask resource, the icns_decompress function continues reading past the bounds of the buffer. This out-of-bounds read vulnerability results in information disclosure of heap contents, where memory contents are leaked as alpha channel pixel values, or a crash leading to a denial of service if unmapped memory is accessed.(CVE-2026-66759)","status":"published","published":"2026-08-07T02:41:51Z","modified":"2026-08-07T03:00:54.106912004Z","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":"2026-11-02T15:52:46.823443Z"},{"id":"UBUNTU-CVE-2026-66757","description":"A flaw was found in the file-sgi plugin in GIMP. When processing an RLE-compressed SGI image, the plugin allocates memory for a row table. The image header dimensions (ysize and zsize) are read as 16-bit unsigned integers. If a crafted file sets both dimensions to their maximum value (65535), the multiplication ysize * zsize overflows the standard 32-bit int boundary before being passed to calloc. This integer overflow issue results in undefined behavior, aborting the plugin and causing a denial of service.","status":"published","published":"2026-07-27T19:17:00Z","modified":"2026-10-17T13:00:35.156467129Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:56:53.710209Z"},{"id":"CLSA-2026-1787057425","title":"gimp: Fix of CVE-2026-66757","description":"- CVE-2026-66757: prevent integer overflow in SGI row-table allocations by\n  casting the size multiplication to gsize and using g_try_malloc","status":"published","published":"2026-08-18T12:50:35Z","modified":"2026-10-26T09:30:36.660416764Z","updated_at":"2026-11-02T15:43:47.20725Z"},{"id":"CLSA-2026-1787058577","title":"gimp: Fix of CVE-2026-66757","description":"- CVE-2026-66757: prevent integer overflow in SGI row-table allocations by\n  casting the size multiplication to gsize and using g_try_malloc","status":"published","published":"2026-08-18T13:09:47Z","modified":"2026-10-26T09:31:26.052515953Z","updated_at":"2026-11-02T15:43:47.20725Z"},{"id":"MGASA-2026-0578","title":"Updated gimp packages fix security vulnerabilities","description":"This update to v. 3.2.8 fixes several security issues.\n","status":"published","published":"2026-11-07T04:34:18Z","modified":"2026-11-07T04:45:03.545119581Z","updated_at":"2026-11-07T05:09:09.270904Z"},{"id":"openSUSE-SU-2026:11449-1","title":"gimp-3.2.4-3.1 on GA media","description":"These are all security issues fixed in the gimp-3.2.4-3.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-08-04T00:00:00Z","modified":"2026-08-05T18:23:51.629235736Z","updated_at":"2026-11-02T16:58:39.516824Z"},{"id":"openSUSE-SU-2026:21521-1","title":"Security update for gimp","description":"This update for gimp fixes the following issues:\n\nChanges in gimp:\n\n- CVE-2026-66757: signed integer overflow in `file-sgi` causes the plugin to crash when RLE-compressed SGI images are processed (bsc#1273151)\n- CVE-2026-66758: integer overflow in `file-fits` plugin causes a heap-based buffer overflow when crafted FITS images are processed (bsc#1273152)\n- CVE-2026-66759: out-of-bounds read in `file-icns` plugin causes information disclosure or crash when crafted ICNS images are processed (bsc#1273153)\n","status":"published","published":"2026-08-03T10:59:51Z","modified":"2026-08-05T18:23:52.43290176Z","updated_at":"2026-11-02T16:58:41.885092Z"},{"id":"openSUSE-SU-2026:21733-1","title":"Security update for gimp","description":"This update for gimp fixes the following issues:\n\nChanges in gimp:\n\n- Update CVE-2026-66757 patch. The original patch wasn't allocating enough bytes.\n","status":"published","published":"2026-09-01T19:48:33Z","modified":"2026-09-02T18:00:03.646829856Z","updated_at":"2026-11-02T16:58:42.426393Z"},{"id":"openSUSE-SU-2026:21839-1","title":"Security update for gimp","description":"This update for gimp fixes the following issues:\n\nChanges in gimp:\n\n- CVE-2026-66757: Fixed signed integer overflow in `file-sgi` causes the plugin to crash when RLE-compressed SGI images are processed (bsc#1279838).\n","status":"published","published":"2026-09-14T13:28:06Z","modified":"2026-09-15T17:00:06.704901612Z","updated_at":"2026-11-02T16:58:42.426393Z"},{"id":"SUSE-SU-2026:4309-1","title":"Security update for gimp","description":"This update for gimp fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2026-59088: denial of service via signed integer overflow in FLI file processing (bsc#1274837).\n- CVE-2026-59090: arbitrary code execution in PSD plugin due to unsigned underflow (bsc#1274840).\n- CVE-2026-66757: signed integer overflow in `file-sgi` causes the plugin to crash when RLE-compressed SGI images are\n  processed (bsc#1273151).\n- CVE-2026-78465: 32-bit integer overflow in PCX image memory calculations can cause undersized heap allocations\n  (bsc#1277378).\n- CVE-2026-80101: independent header field validation in the XWD loader can cause heap out-of-bounds reads\n  (bsc#1276911).\n    \nNon security issues fixed:\n\n- RLE-compressed SGI files are written with a bad offset table and 57 of 144 scanlines fail to decode, on the patched\n  and the released build alike (bsc#1279838).\n- XWD bytes-per-line guard can never fire, and load_xwd_f1_d24_b1() still allocates the unchecked header field\n  (bsc#1279839).\n","status":"published","published":"2026-09-23T13:18:47Z","modified":"2026-09-24T11:15:06.892805779Z","updated_at":"2026-11-02T15:54:05.838224Z"}]}}