CVE-2025-11679

Out-of-bounds Read in lwsupngemitnextline in warmcat libwebsockets allows, when the LWSWITHUPNG flag is enabled during compilation and the HTML display stack is used, to read past a heap allocated buffer possibly causing a crash, when the user visits an attacker controlled website that contains a...

CVE-2025-11679: Out-of-bounds Read

Out-of-bounds Read in lwsupngemitnextline in warmcat libwebsockets allows, when the LWSWITHUPNG flag is enabled during compilation and the HTML display stack is used, to read past a heap allocated buffer possibly causing a crash, when the user visits an attacker controlled website that contains a...

Libwebsockets buffer error vulnerability

Libwebsockets is a canonical libwebsockets web library open-sourced by lws-team. A buffer error vulnerability exists in Libwebsockets that stems from an out-of-bounds read in the lwsupngemitnextline function when the LWSWITHUPNG flag is enabled and the stack is displayed using HTML, which could...