CVE-2026-12912
7.3 ÉlevéeDescription
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 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).
Produits concernés
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 10.0 Extended Update Support
- Red Hat Enterprise Linux 7 Extended Lifecycle Support
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
- Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
- Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
- Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
- Red Hat Enterprise Linux 8.8 Telecommunications Update Service
- Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
- Red Hat Enterprise Linux 9
- Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
- Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions
- Red Hat Enterprise Linux 9.6 Extended Update Support
- Red Hat Hardened Images
- Red Hat OpenShift AI 3.0
- Red Hat OpenShift AI 3.2
- Red Hat OpenShift AI 3.4
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 7.3 Élevée | secalert@redhat.com | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
| 3.1 | 7.3 Élevée | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
Faiblesses (CWE)
Références
- https://access.redhat.com/errata/RHSA-2026:34890
- https://access.redhat.com/errata/RHSA-2026:41892
- https://access.redhat.com/errata/RHSA-2026:42668
- https://access.redhat.com/errata/RHSA-2026:47183
- https://access.redhat.com/errata/RHSA-2026:47184
- https://access.redhat.com/errata/RHSA-2026:49671
- https://access.redhat.com/errata/RHSA-2026:50774
- https://access.redhat.com/errata/RHSA-2026:54638
- https://access.redhat.com/errata/RHSA-2026:54640
- https://access.redhat.com/errata/RHSA-2026:54642
- https://access.redhat.com/errata/RHSA-2026:58545
- https://access.redhat.com/errata/RHSA-2026:58553
- https://access.redhat.com/errata/RHSA-2026:58554
- https://access.redhat.com/errata/RHSA-2026:58556
- https://access.redhat.com/errata/RHSA-2026:61657
- https://access.redhat.com/errata/RHSA-2026:69292
- https://access.redhat.com/errata/RHSA-2026:73909
- https://access.redhat.com/errata/RHSA-2026:73959
- https://access.redhat.com/errata/RHSA-2026:73960
- https://access.redhat.com/errata/RHSA-2026:73961
- https://access.redhat.com/errata/RHSA-2026:73962
- https://access.redhat.com/errata/RHSA-2026:74458
- https://access.redhat.com/errata/RHSA-2026:74459
- https://access.redhat.com/errata/RHSA-2026:74460
- https://access.redhat.com/errata/RHSA-2026:74461
- https://access.redhat.com/errata/RHSA-2026:74462
- https://access.redhat.com/errata/RHSA-2026:74463
- https://access.redhat.com/errata/RHSA-2026:74674
- https://access.redhat.com/errata/RHSA-2026:83550
- https://access.redhat.com/security/cve/CVE-2026-12912
- https://bugzilla.redhat.com/show_bug.cgi?id=2492871
- https://gitlab.com/libtiff/libtiff/-/merge_requests/873
- https://gitlab.com/libtiff/libtiff/-/work_items/824
- https://access.redhat.com/errata/RHSA-2026:34890
- https://access.redhat.com/errata/RHSA-2026:41892
- https://access.redhat.com/errata/RHSA-2026:42668
- https://access.redhat.com/errata/RHSA-2026:47183
- https://access.redhat.com/errata/RHSA-2026:47184
- https://access.redhat.com/errata/RHSA-2026:49671
- https://access.redhat.com/errata/RHSA-2026:50774
- https://access.redhat.com/errata/RHSA-2026:54638
- https://access.redhat.com/errata/RHSA-2026:54640
- https://access.redhat.com/errata/RHSA-2026:54642
- https://access.redhat.com/errata/RHSA-2026:58545
- https://access.redhat.com/errata/RHSA-2026:58553
- https://access.redhat.com/errata/RHSA-2026:58554
- https://access.redhat.com/errata/RHSA-2026:58556
- https://access.redhat.com/errata/RHSA-2026:61657
- https://access.redhat.com/security/cve/CVE-2026-12912
- https://bugzilla.redhat.com/show_bug.cgi?id=2492871
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12912.json