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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":"RHSA-2026:69095","title":"Red Hat Security Advisory: libtiff security update","status":"published","published":"2026-09-21T10:14:43Z","modified":"2026-10-01T10:19:08Z","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":"2026-11-02T15:53:22.406388Z"},{"id":"RLSA-2026:69095","title":"Important: libtiff security update","description":"The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.\n\nSecurity Fix(es):\n\n* libtiff: libtiff: Arbitrary code execution via process_command_opts() function (CVE-2026-52490)\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.","status":"published","published":"2026-09-22T06:01:18.205216Z","modified":"2026-09-22T06:30:30.499623999Z","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":"2026-11-02T15:53:26.449929Z"},{"id":"ALSA-2026:69095","title":"Important: libtiff security update","description":"The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.  \n\nSecurity Fix(es):  \n\n  * libtiff: libtiff: Arbitrary code execution via process_command_opts() function (CVE-2026-52490)\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":"2026-09-21T00:00:00Z","modified":"2026-10-29T11:02:29.375747401Z","updated_at":"2026-11-02T15:27:55.200553Z"},{"id":"CLSA-2026-1792993665","title":"libtiff: Fix of CVE-2026-52490","description":"- CVE-2026-52490: fix stack buffer overflow in tiffcrop -S section handling","status":"published","published":"2026-10-26T05:47:56Z","modified":"2026-10-26T09:32:01.615091354Z","updated_at":"2026-11-02T15:43:54.981307Z"},{"id":"CLSA-2026-1792993673","title":"libtiff: Fix of CVE-2026-52490","description":"- CVE-2026-52490: fix stack buffer overflow in tiffcrop -S section handling","status":"published","published":"2026-10-26T05:48:04Z","modified":"2026-10-26T09:31:57.206021601Z","updated_at":"2026-11-02T15:43:54.981307Z"},{"id":"ROOT-OS-DEBIAN-11-CVE-2026-52490","title":"CVE-2026-52490 in tiff - Patched by Root","description":"Root has patched CVE-2026-52490 in the tiff package for Root:Debian:11. Multiple fixed versions available.","status":"published","published":"2026-09-02T13:00:50Z","modified":"2026-09-02T16:15:02.240086645Z","updated_at":"2026-11-02T15:53:30.179841Z"},{"id":"ROOT-OS-DEBIAN-12-CVE-2026-52490","title":"CVE-2026-52490 in tiff - Patched by Root","description":"Root has patched CVE-2026-52490 in the tiff package for Root:Debian:12. Multiple fixed versions available.","status":"published","published":"2026-09-02T12:45:33Z","modified":"2026-09-02T14:00:11.389276124Z","updated_at":"2026-11-02T15:53:32.298225Z"},{"id":"ROOT-OS-DEBIAN-13-CVE-2026-52490","title":"CVE-2026-52490 in tiff - Patched by Root","description":"Root has patched CVE-2026-52490 in the tiff package for Root:Debian:13. Multiple fixed versions available.","status":"published","published":"2026-09-03T07:42:25Z","modified":"2026-09-03T09:15:03.134328878Z","updated_at":"2026-11-02T15:53:33.681527Z"}]}}