CVE-2025-11678

Stack-based Buffer Overflow in lwsadnsparselabel in warmcat libwebsockets allows, when the LWSWITHSYSASYNCDNS flag is enabled during compilation, to overflow the labelstack, when the attacker is able to sniff a DNS request in order to craft a response with a matching id containing a label longer...

PT-2025-42761

Name of the Vulnerable Software and Affected Versions libwebsockets affected versions not specified Description A stack-based buffer overflow exists in the lws adns parse label function within libwebsockets. This occurs when the LWS WITH SYS ASYNC DNS flag is enabled during compilation and an...