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Advisory severityHigh7.5Red Hat Linux

High [CVE-2026-44950] Privilege Escalation via Heap Buffer Overflow in Font Server Client

This high-severity Red Hat Linux advisory covers CVE-2026-44950; related products: Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-44950 Source published Source updated

VulniPulse record published Record updated

CVE-2026-44950
Related products & platforms
Red Hat LinuxUnclassified
Open source advisory

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Summary

Privilege Escalation via Heap Buffer Overflow in Font Server Client. Red Hat rates this important (CVSS 7.5).

Weakness: CWE-120. Red Hat lists fixing advisory RHSA-2026:55447 with package libXfont2-0:2.0.3-12.el9_8.3, libXfont2-0:2.0.3-12.el9_4.3, libXfont2-0:2.0.6-5.el10_2.3, libXfont2-0:2.0.3-12.el9_2.3.

Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

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

Fixed versions
  • libXfont2-0:2.0.3-12.el9_8.3
  • libXfont2-0:2.0.3-12.el9_4.3
  • libXfont2-0:2.0.6-5.el10_2.3
  • libXfont2-0:2.0.3-12.el9_2.3
  • libXfont2-0:2.0.3-2.el8_10.3
  • RHSA-2026:55447

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

Mitigation

Upgrade to a fixed release: libXfont2-0:2.0.3-12.el9_8.3, libXfont2-0:2.0.3-12.el9_4.3, libXfont2-0:2.0.6-5.el10_2.3, libXfont2-0:2.0.3-12.el9_2.3, libXfont2-0:2.0.3-2.el8_10.3, RHSA-2026:55447. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

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

Discussion(0)

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