Bug 2458783 (CVE-2026-6296)

Summary:	CVE-2026-6296 chromium-browser: angle: Heap buffer overflow in ANGLE
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	urgent	Docs Contact:
Priority:	urgent
Version:	unspecified	CC:	gotiwari, jhorak, mvyas, rhel-process-autobot, watson-tool-maintainers
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	---
Doc Text:	A heap buffer overflow flaw was found in the ANGLE component of the Chromium browser. Upstream bug(s): https://code.google.com/p/chromium/issues/detail?id=490170083	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2540458, 2458847, 2458848, 2540461
Bug Blocks:

Description OSIDB Bzimport 2026-04-15 20:01:47 UTC

Heap buffer overflow in ANGLE in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

Comment 1 Jon Orris 2026-09-30 19:34:20 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 2 Jon Orris 2026-09-30 20:10:20 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