Bug 2556613 (CVE-2026-113259)

Summary: CVE-2026-113259 chromium-browser: chromium-browser: arbitrary code execution via crafted HTML page
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
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 Frames component of Chromium. A remote attacker can exploit this vulnerability by convincing a user to visit a specially crafted HTML page, triggering a use-after-free condition where memory is accessed after being released. Successful exploitation allows the attacker to achieve arbitrary code execution within the browser's restricted 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:

Description OSIDB Bzimport 2026-10-20 21:52:33 UTC
Use after free in Frames in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)