Bug 2391109 (CVE-2025-9478)

Summary:	CVE-2025-9478 chromium-browser: angle: Use after free in ANGLE
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	gotiwari, jhorak, mvyas, rhel-process-autobot, watson-tool-maintainers
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
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Clone Of:		Environment:
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Regression:	---	Mount Type:	---
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Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2392287, 2392289, 2392290, 2539767, 2392285, 2392286, 2392288, 2392291, 2392292, 2392293, 2392294, 2539768
Bug Blocks:

Description OSIDB Bzimport 2025-08-26 19:01:25 UTC

Use after free in ANGLE in Google Chrome prior to 139.0.7258.154 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)

Comment 3 Jon Orris 2026-09-30 19:34:43 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:74084 https://access.redhat.com/errata/RHSA-2026:74084

Comment 4 Jon Orris 2026-09-30 20:10:07 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:69098 https://access.redhat.com/errata/RHSA-2026:69098