Bug 2566501 (CVE-2026-121064)

Summary: CVE-2026-121064 chromium-browser: Improper input validation in Performance
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedKeywords: Security
Target Milestone: ---   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
An improper input validation flaw was found in the Performance component of the Chromium browser. Upstream bug(s): https://issues.chromium.org/issues/570558711
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: 2567123, 2567143    
Bug Blocks:    

Description OSIDB Bzimport 2026-11-03 21:20:15 UTC
Improper input validation in Performance in Google Chrome prior to 157.0.8103.38 allowed a local attacker to potentially execute arbitrary code inside the sandbox via a local program. (Chromium security severity: Low)