High7.5Red Hat & Ubuntu Linux Updated

Remote code execution via heap out-of-bounds write in RemoteFX decoding

CVE-2026-55827 Published Jul 10, 2026Updated by vendor Jul 10, 2026

CVE-2026-55827

Affected products & platforms

Red Hat & Ubuntu LinuxUnclassified

Summary

Remote code execution via heap out-of-bounds write in RemoteFX decoding. Red Hat rates this important (CVSS 7.5). Weakness: CWE-787. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.

Mitigation checklist

Recommended fix / mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

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

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