{"id":"CVE-2026-12912","title":"A flaw was found in libtiff","summary":"A flaw was found in libtiff. A remote attacker could exploit this vulnerability by providing a specially crafted PixarLog-compressed TIFF image. This issue occurs when decoding Pixarlog codec images with the PIXARLOGDATAFMT_8BITABGR outp…","severity":"high","cvss":7.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-122"],"vendor":"Red Hat","product":"libtiff","affected":["libtiff (all versions)","libtiff (all versions)","compat-libtiff3 (all versions)","compat-libtiff3 (all versions)","libtiff (all versions)","compat-libtiff3 (all versions)","libtiff (all versions)","compat-libtiff3 (all versions)","libtiff (all versions)","compat-libtiff3 (all versions)","libtiff (all versions)","compat-libtiff3 (all versions)","libtiff (all versions)","compat-libtiff3 (all versions)","libtiff (all versions)","compat-libtiff3 (all versions)","libtiff (all versions)","libtiff (all versions)","libtiff (all versions)","libtiff (all versions)","libtiff (all versions)","libtiff-main (all versions)","libtiff","libtiff (all versions)","mingw-libtiff (all versions)","boost"],"published":"2026-06-29","updated":"2026-09-21","sourceUpdated":"2026-09-21T13:17:07.827","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-12912","references":[{"url":"https://access.redhat.com/errata/RHSA-2026:34890","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:41892","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:42668","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:47183","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:47184","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:49671","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:50774","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:54638","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:54640","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:54642","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:58545","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:58553","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:58554","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:58556","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:61657","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:69292","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-12912","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492871","label":"secalert@redhat.com"},{"url":"https://gitlab.com/libtiff/libtiff/-/merge_requests/873","label":"secalert@redhat.com"},{"url":"https://gitlab.com/libtiff/libtiff/-/work_items/824","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:34890","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:41892","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:42668","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:47183","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:47184","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:49671","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:50774","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:54638","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:54640","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:54642","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:58545","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:58553","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:58554","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:58556","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:61657","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/security/cve/CVE-2026-12912","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492871","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12912.json","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-12912"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12912"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-06-29T00:00:00+00:00"},"epss":0.00433,"epssPercentile":0.36952,"ingestedAt":"2026-07-03T13:02:28.094Z","patched":["enterprise_linux_server_v_7_els","enterprise_linux_appstream_eus_v_10_0","enterprise_linux_appstream_v_10","enterprise_linux_appstream_v_8","enterprise_linux_appstream_aus_v_8_4","enterprise_linux_appstream_eus_extension_v_8_4","enterprise_linux_appstream_aus_v_8_6","enterprise_linux_appstream_eus_extension_v_8_6","enterprise_linux_appstream_e4s_v_8_8","enterprise_linux_appstream_tus_v_8_8","enterprise_linux_appstream_e4s_v_9_2","enterprise_linux_appstream_e4s_v_9_4","enterprise_linux_appstream_eus_v_9_6","enterprise_linux_appstream_v_9","enterprise_linux_codeready_linux_builder_eus_v_10_0","enterprise_linux_codeready_linux_builder_v_10","enterprise_linux_crb_v_8","codeready_linux_builder_eus_v_9_6","enterprise_linux_codeready_linux_builder_v_9","hardened_images"],"slug":"CVE-2026-12912","body":"## Overview\n\nA flaw was found in libtiff. A remote attacker could exploit this vulnerability by providing a specially crafted PixarLog-compressed TIFF image. This issue occurs when decoding Pixarlog codec images with the PIXARLOGDATAFMT_8BITABGR output format and a specific stride value, leading to a heap-based buffer overflow. This could potentially result in arbitrary code execution or a denial of service (DoS).\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **RHSA-2026:61657** · Red Hat · fixed in: Red Hat Enterprise Linux Server (v. 7 ELS) · released 2026-08-31 · [advisory](https://access.redhat.com/errata/RHSA-2026:61657)\n- **RHSA-2026:49671** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v. 10.0), Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) · released 2026-08-03 · [advisory](https://access.redhat.com/errata/RHSA-2026:49671)\n- **RHSA-2026:41892** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) · released 2026-07-20 · [advisory](https://access.redhat.com/errata/RHSA-2026:41892)\n- **RHSA-2026:47183** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 8) · released 2026-08-03 · [advisory](https://access.redhat.com/errata/RHSA-2026:47183)\n- **RHSA-2026:47184** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux CRB (v. 8) · released 2026-08-03 · [advisory](https://access.redhat.com/errata/RHSA-2026:47184)\n- **RHSA-2026:54642** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) · released 2026-08-13 · [advisory](https://access.redhat.com/errata/RHSA-2026:54642)\n- **RHSA-2026:69292** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) · released 2026-09-21 · [advisory](https://access.redhat.com/errata/RHSA-2026:69292)\n- **RHSA-2026:54640** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) · released 2026-08-13 · [advisory](https://access.redhat.com/errata/RHSA-2026:54640)\n- **RHSA-2026:58545** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) · released 2026-08-24 · [advisory](https://access.redhat.com/errata/RHSA-2026:58545)\n- **RHSA-2026:54638** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8) · released 2026-08-13 · [advisory](https://access.redhat.com/errata/RHSA-2026:54638)\n- **RHSA-2026:58553** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8) · released 2026-08-24 · [advisory](https://access.redhat.com/errata/RHSA-2026:58553)\n- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8 · updated 2026-09-21 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12912.json)","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":40.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}