High7.8Red Hat Linux

High [CVE-2026-4775] Arbitrary code execution or denial of service via signed integer overflow in TIFF file processing

This high-severity Red Hat Linux advisory covers CVE-2026-4775 affecting Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 7 Extended Lifecycle Support, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support.

CVE-2026-4775 Published Mar 24, 2026

CVE-2026-4775

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

Arbitrary code execution or denial of service via signed integer overflow in TIFF file processing. Red Hat rates this important (CVSS 7.8).

Weakness: CWE-190. Affected package(s): libtiff-main, rhaiis/model-opt-cuda-rhel9:1782352950, rhaiis/vllm-spyre-rhel9:1782352919, compat-libtiff3, libtiff, mingw-libtiff.

Resolved in Red Hat advisory RHSA-2026:30349 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 13 more.

Affected versions

libtiff-main-4.7.1-2.3.hum1
rhaiis/model-opt-cuda-rhel9:1782352950
rhaiis/vllm-spyre-rhel9:1782352919
compat-libtiff3-0:3.9.4-13.el8_6.2
libtiff-0:4.6.0-6.el10_0.3
compat-libtiff3-0:3.9.4-13.el8_4.2
compat-libtiff3-0:3.9.4-15.el8_10
compat-libtiff3-0:3.9.4-13.el8_8.2
libtiff-0:4.4.0-13.el9_6.4
libtiff-0:4.0.9-29.el8_8.2
mingw-libtiff-0:4.0.9-4.el8_10
libtiff-main-4.7.1-2.2.hum1

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

RHSA-2026:30349

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Update the affected package(s) to the fixed version shipped in RHSA-2026:30349 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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