Bug 2556568 (CVE-2026-113204)

Summary: CVE-2026-113204 chromium-browser: chromium-browser: Arbitrary code execution inside sandbox via crafted HTML page
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 the Trusted Web Activities component of the Chromium browser. A remote attacker could exploit this vulnerability by convincing a user to load a specially crafted HTML page, triggering a use-after-free condition where the application references memory that has already been released. Successful exploitation may allow the attacker to execute arbitrary code within the browser's sandbox environment.
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: 2558579    
Bug Blocks:    

Description OSIDB Bzimport 2026-10-20 21:42:42 UTC
Use after free in TrustedWebActivities in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)