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High7.5Red Hat Linux

High [CVE-2026-33984] Heap buffer overflow allows arbitrary code execution via crafted pixel data

This high-severity Red Hat Linux advisory covers CVE-2026-33984 affecting Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support.

CVE-2026-33984 Published Mar 30, 2026
CVE-2026-33984
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

Heap buffer overflow allows arbitrary code execution via crafted pixel data. Red Hat rates this important (CVSS 7.5).

Weakness: CWE-131. Affected package(s): freerdp.

Resolved in Red Hat advisory RHSA-2026:8945 — 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 8.2 Advanced Update 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 9 more.

Affected versions
  • freerdp-2:3.10.3-12.el10_2.2
  • freerdp-2:2.2.0-12.el8_8.6
  • freerdp-2:2.11.7-7.el9_8.1
  • freerdp-2:2.4.1-6.el9_2.7
  • freerdp-2:2.0.0-46.rc4.el8_2.11
  • freerdp-2:2.11.2-1.el9_4.6
  • freerdp-2:2.11.7-1.el9_6.8
  • freerdp-2:3.10.3-5.el10_1.6
  • freerdp-2:2.2.0-13.el8_4
  • freerdp-2:2.4.1-3.el9_0.5
  • freerdp-2:2.11.7-7.el8_10
  • freerdp-2:2.2.0-7.el8_6.6

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

Fixed versions
  • RHSA-2026:8945

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-2026:8945 (`sudo dnf update` / `yum update`).

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

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