pdfium security

About this tag
The pdfium security tag covers vulnerabilities in Chromium's PDFium engine, a core component used by Google Chrome and Microsoft Edge for rendering PDF files. Recent discussions focus on high-severity heap buffer overflow flaws, including CVE-2026-6306 and CVE-2026-6361, which were patched in Chrome 147.0.7727.101 and Edge updates in April 2026. These vulnerabilities allow remote attackers to execute code inside the browser sandbox via crafted PDF files, posing risks to both enterprise and consumer users. The tag highlights the importance of timely browser updates and the shared security posture between Chrome and Edge due to their common Chromium base.

  1. CVE-2026-6306: Patch PDFium Heap Overflow in Chrome 147 and Edge ASAP

    Chromium’s CVE-2026-6306 is exactly the kind of browser vulnerability that looks narrow at first glance but carries broad real-world risk: a heap buffer overflow in PDFium affecting Google Chrome prior to 147.0.7727.101. Google’s April 15, 2026 stable update says the flaw was fixed in Chrome...
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    • chrome 147 update cve 2026 6306 microsoft edge patching pdfium security
    • Replies: 0
    • Forum: Security Alerts

  2. Chrome Windows PDFium Fix: CVE-2026-6361 Heap Overflow Patched

    Google has patched a high-severity heap buffer overflow in PDFium that affects Chrome on Windows versions before 147.0.7727.101, closing off a path that could let an attacker execute code inside the browser sandbox through a crafted PDF. The fix landed in the April 15, 2026 Stable Channel...
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    • chrome update cve 2026-6361 pdfium security windows vulnerabilities
    • Replies: 0
    • Forum: Security Alerts