Bug 2523928 (CVE-2026-78908)

Summary: CVE-2026-78908 chromium-browser: chromium-browser: Information leak 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
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Hardware: All   
OS: Linux   
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A flaw was found in chromium-browser. A remote attacker could exploit this vulnerability by tricking a user into opening a specially crafted HTML page. This could lead to an information leak in the Canvas component, allowing the attacker to bypass the web origin policy and potentially access sensitive data.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2524890, 2524891    
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Description OSIDB Bzimport 2026-08-25 20:50:01 UTC
Information leak in Canvas in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)