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Advisory severityHigh7.5Red Hat Linux

High [CVE-2026-92013] Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component

This high-severity Red Hat Linux advisory covers CVE-2026-92013; related products: Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 10.

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

CVE-2026-92013 Source published Source updated

VulniPulse record published Record updated

CVE-2026-92013
Related products & platforms
Red Hat LinuxUnclassified
Open source advisory

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Summary

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. Red Hat rates this important (CVSS 7.5).

Weakness: CWE-787. Red Hat lists fixing advisory RHSA-2026:73130 with package thunderbird-0:140.16.0-1.el9_8, firefox-0:140.16.0-1.el9_8, firefox-0:140.16.0-1.el8_10, thunderbird-0:140.16.0-1.el8_10.

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

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 14 days ago·verify at source

Fixed versions
  • thunderbird-0:140.16.0-1.el9_8
  • firefox-0:140.16.0-1.el9_8
  • firefox-0:140.16.0-1.el8_10
  • thunderbird-0:140.16.0-1.el8_10
  • thunderbird-0:140.16.0-1.el10_2
  • firefox-0:140.16.0-1.el10_2
  • RHSA-2026:73130

Official advisory · high-confidence parse· fetched 14 days ago·verify at source

Mitigation

Upgrade to a fixed release: thunderbird-0:140.16.0-1.el9_8, firefox-0:140.16.0-1.el9_8, firefox-0:140.16.0-1.el8_10, thunderbird-0:140.16.0-1.el8_10, thunderbird-0:140.16.0-1.el10_2, firefox-0:140.16.0-1.el10_2. 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 14 days ago·verify at source

Discussion(0)

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