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7.3высокая

CVE-2026-12912

Описание

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).

CVSS
Балл7.3 — высокая
ВекторCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Источники
https://access.redhat.com/errata/RHSA-2026:34890https://access.redhat.com/security/cve/CVE-2026-12912https://bugzilla.redhat.com/show_bug.cgi?id=2492871https://gitlab.com/libtiff/libtiff/-/merge_requests/873https://gitlab.com/libtiff/libtiff/-/work_items/824https://access.redhat.com/errata/RHSA-2026:34890https://access.redhat.com/security/cve/CVE-2026-12912https://bugzilla.redhat.com/show_bug.cgi?id=2492871