Bug 2458806 (CVE-2026-6361)

Summary: CVE-2026-6361 chromium-browser: Heap buffer overflow in PDFium
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 heap buffer overflow flaw was found in the PDFium component of the Chromium browser. Upstream bug(s): https://code.google.com/p/chromium/issues/detail?id=500036290
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Bug Depends On: 2459227, 2459228    
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Description OSIDB Bzimport 2026-04-15 20:02:59 UTC
Heap buffer overflow in PDFium in Google Chrome on Windows prior to 147.0.7727.101 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code inside a sandbox via a crafted PDF file. (Chromium security severity: High)