Bug 2508876 (CVE-2026-17770)

Summary: CVE-2026-17770 chromium-browser: macOS: Google Chrome: Sandbox Escape via Crafted HTML Page in Media Component
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerability-draftAssignee: 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 Media component of Google Chrome. A remote attacker, who has already gained initial access to the browser's rendering process, could use a specially designed web page to trigger an out-of-bounds read. This vulnerability could allow the attacker to bypass security restrictions, potentially leading to a sandbox escape.
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: 2540919, 2540920    
Bug Blocks:    

Description OSIDB Bzimport 2026-07-30 01:10:28 UTC
Out of bounds read in Media in Google Chrome on Mac prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)