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ALSA-2026:41892 — Important: libtiff security, bug fix, and enhancement update

Affected: AlmaLinux:10: libtiff, AlmaLinux:10: libtiff-devel, AlmaLinux:10: libtiff-tools

The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.

Security Fix(es):

* libtiff: TIFFRasterScanlineSize64 produce too-big size and could cause OOM (CVE-2023-52355) * libtiff: libtiff: Heap-based buffer overflow via crafted PixarLog-compressed TIFF image (CVE-2026-12912)

Bug Fix(es) and Enhancement(s):

* Reintroduce the `tiffcp -i` option (JIRA:AlmaLinux-185328)

For 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.

BELL-CVE-2026-12912

Affected: Alpaquita:stream: tiff, BellSoft Hardened Containers:stream: tiff

certfr-2026-avi-0866 — De multiples vulnérabilités ont été découvertes dans Microsoft Azure Linux. Elles permettent à un attaquant de provoque…

certfr-2026-avi-0866

EUVD-2026-382024

fkie_cve-2026-12912

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).

GHSA-cg4c-j43f-qcg7

msrc_CVE-2026-12912 — Libtiff: libtiff: heap-based buffer overflow via crafted pixarlog-compressed tiff image

msrc_CVE-2026-12912

OESA-2026-2924 — libtiff security update

Affected: openEuler:22.03-LTS-SP4: libtiff

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. Security Fix(es):

openSUSE-SU-2026:11225-1 — libtiff-devel-32bit-4.7.2-1.1 on GA media

libtiff-devel-32bit-4.7.2-1.1 on GA media

RHSA-2026:34890 — Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

libtiff: libtiff: Heap-based buffer overflow via crafted PixarLog-compressed TIFF image

RLSA-2026:41892 — Important: libtiff security, bug fix, and enhancement update

Affected: Rocky Linux:10: libtiff

The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.

Security Fix(es):

* libtiff: TIFFRasterScanlineSize64 produce too-big size and could cause OOM (CVE-2023-52355)

* libtiff: libtiff: Heap-based buffer overflow via crafted PixarLog-compressed TIFF image (CVE-2026-12912)

Bug Fix(es) and Enhancement(s):

* Reintroduce the `tiffcp -i` option (JIRA:Rocky Linux-185328)

For 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.

SUSE-SU-2026:22590-1 — Security update for tiff

Security update for tiff

UBUNTU-CVE-2026-12912

Affected: Ubuntu:Pro:14.04:LTS: gdal, Ubuntu:Pro:14.04:LTS: tiff, Ubuntu:Pro:16.04:LTS: tiff, Ubuntu:Pro:16.04:LTS: gdal, Ubuntu:Pro:18.04:LTS: tiff, Ubuntu:18.04:LTS: neuron, Ubuntu:Pro:18.04:LTS: qtwebengine-opensource-src, Ubuntu:Pro:18.04:LTS: texmaker, Ubuntu:Pro:20.04:LTS: tiff, Ubuntu:20.04:LTS: neuron and 14 more

WID-SEC-W-2026-2122 — libTIFF: Schwachstelle ermöglicht Codeausführung und Denial of Service

Ein lokaler Angreifer kann eine Schwachstelle in libTIFF ausnutzen, um beliebigen Programmcode auszuführen, und um einen Denial of Service Angriff durchzuführen.