libwebp
Safeguard articles tagged "libwebp" — guides, analysis, and best practices for software supply chain and application security.
5 articles
The libwebp heap overflow that patched half the internet: CVE-2023-4863
One heap buffer overflow in a 15-year-old image codec forced Chrome, Firefox, Edge, Electron apps, and entire Linux distros to ship emergency patches within days.
WebP (CVE-2023-4863) Explained: The libwebp Heap Overflow That Patched the Web
CVE-2023-4863 was an actively exploited heap buffer overflow in libwebp's Huffman decoder. Because the codec is vendored everywhere, one bug forced emergency patches across browsers and apps.
CVE-2023-4863: The libwebp Zero-Day That Hit Chrome and More
CVE-2023-4863 was a heap buffer overflow in libwebp's Huffman decoding that was exploited as a zero-day in the wild — and because libwebp sits inside Chrome, Firefox, and countless Electron apps, one library bug became an ecosystem-wide emergency patch.
libwebp heap buffer overflow zero-day (CVE-2023-4863)
A heap buffer overflow in libwebp, actively exploited in a zero-click iOS spyware chain, exposed browsers, Electron apps, and containers alike.
libwebp animated WebP overflow (CVE-2023-5129)
CVE-2023-5129 exposed a critical libwebp heap overflow, then got rejected as a duplicate of CVE-2023-4863 — leaving two CVE trails for one flaw.
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