CVE Intelligence

Warmcat Libwebsocket vulnerabilities

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Published CVEs affecting Warmcat Libwebsocket: 1 record(s), with affected versions and fixes.

CVE-2025-11678 High · 7.5 CWE-121 Oct 20, 2025
Stack-based Buffer Overflow in libwebsockets DNS response parsing
Stack-based Buffer Overflow in lws_adns_parse_label in warmcat libwebsockets allows, when the LWS_WITH_SYS_ASYNC_DNS flag is enabled during compilation, to overflow the label_stack, when the attacker is able to sniff a DNS request in order to craft a response with a matching id containing a label longer than the maximum.