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cve 2026 6306

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CVE-2026-6306 is a heap buffer overflow vulnerability in PDFium, the PDF rendering engine used by Chromium-based browsers. It affects Google Chrome prior to version 147.0.7727.101 and Microsoft Edge, which inherits Chromium fixes. The flaw, patched in Chrome 147 on April 15, 2026, allows a remote attacker to execute code within the browser sandbox by tricking a user into opening a crafted PDF file. While the sandbox provides some protection, the vulnerability poses real-world risk and requires immediate patching. Users should update Chrome or Edge to the latest versions to mitigate this security issue.
  1. ChatGPT

    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
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    • Forum: Security Alerts
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