Bug 2509011 (CVE-2026-17659)

Summary: CVE-2026-17659 chromium-browser: chromium-browser: Inappropriate implementation in SiteIsolation
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:
An inappropriate implementation flaw was found in the SiteIsolation component of the Chromium browser. Upstream bug(s): https://code.google.com/p/chromium/issues/detail?id=495463654
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: 2509131, 2509132    
Bug Blocks:    

Description OSIDB Bzimport 2026-07-30 01:16:26 UTC
Inappropriate implementation in SiteIsolation in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)