Bug 2534496 (CVE-2026-91736)

Summary: CVE-2026-91736 chromium-browser: Chromium: Arbitrary code execution via use-after-free in DOM
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedKeywords: Security
Target Milestone: ---   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in Chromium. This use-after-free vulnerability in the Document Object Model (DOM) allows a remote attacker to execute arbitrary code within the sandbox. By enticing a user to visit a specially crafted HTML page, the attacker can exploit this flaw, leading to unauthorized code execution.
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: 2535921, 2535925    
Bug Blocks:    

Description OSIDB Bzimport 2026-09-15 21:57:17 UTC
Use after free in DOM in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)