High [CVE-2026-84131] Privilege escalation in Graphics component
This high-severity Red Hat Linux advisory covers CVE-2026-84131 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8.
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Summary
A flaw was found in the Graphics component of Firefox. An invalid pointer could allow a local attacker to escalate privileges.
This could lead to unauthorized access to sensitive system resources or execution of arbitrary code with elevated permissions. Red Hat severity: Important — CVSS 8.2 (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H).
Weakness: CWE-825. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
Red Hat does not currently list a fixing RHSA for this CVE.
Affected products named by the advisory: Red Hat package: firefox.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
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