High8.8Red Hat & Ubuntu Linux
Arbitrary code execution via heap out-of-bounds write in RLE planar decode path
CVE-2026-26965 Published Feb 25, 2026
CVE-2026-26965
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Arbitrary code execution via heap out-of-bounds write in RLE planar decode path. Red Hat rates this important (CVSS 8.8). Weakness: CWE-787. Affected package(s): freerdp. Resolved in Red Hat advisory RHSA-2026:5936 — update the affected packages (`sudo dnf update`).
Affected versions
- freerdp-2:3.10.3-12.el10_2.2
- freerdp-2:2.4.1-3.el9_0.2
- freerdp-2:2.2.0-10.el8_4
- freerdp-2:2.11.2-1.el9_4.3
- freerdp-2:2.2.0-12.el8_8.3
- freerdp-2:2.2.0-7.el8_6.3
- freerdp-2:3.10.3-5.el10_1.3
- freerdp-2:2.0.0-46.rc4.el8_2.8
- freerdp-2:2.11.7-1.el9_6.5
- freerdp-2:2.11.7-1.el9_7.3
- freerdp-2:2.4.1-6.el9_2.4
- freerdp-0:2.1.1-5.el7_9.5
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
Fixed versions
- RHSA-2026:5936
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:5936 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
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