Buffer overflow in Warmcat Libwebsockets

CVE-2025-11680

Out-of-bounds Write in unfilter_scanline in warmcat libwebsockets allows, when the LWS_WITH_UPNG flag is enabled during compilation and the HTML display stack is used, to write past a heap allocated buffer possibly causing a crash, when th…

Vulnerability class: Buffer Overflow

EPSS: 0.004 (28.8th percentile) — read the EPSS interpretation.