Bug 2543581 (CVE-2026-102315)

Summary: CVE-2026-102315 chromium-browser: chromium-browser: Information disclosure outside sandbox via uninitialized resource
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
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Hardware: All   
OS: Linux   
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A flaw was found in chromium-browser. An uninitialized resource issue in the Media component allows a remote attacker who has already compromised the browser's renderer process to read memory outside the security sandbox. By enticing a user to visit a specially crafted HTML page, an attacker can exploit this vulnerability to achieve information disclosure and access sensitive system data.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2544457, 2544459    
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Description OSIDB Bzimport 2026-09-29 20:17:13 UTC 
Uninitialized resource in Media in Google Chrome on on Windows prior to 154.0.8037.92 allowed a remote attacker who had compromised the renderer process to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)