LAYER: meta-oe
PACKAGE NAME: libwebsockets
PACKAGE VERSION: 4.3.3
CVE: CVE-2025-11677
CVE STATUS: Patched
CVE SUMMARY: Use After Free in WebSocket server implementation in lws_handshake_server in warmcat libwebsockets may allow an attacker, in specific configurations where the user provides a callback function that handles LWS_CALLBACK_HTTP_CONFIRM_UPGRADE, to achieve denial of service.
CVSS v2 BASE SCORE: 0.0
CVSS v3 BASE SCORE: 0.0
CVSS v4 BASE SCORE: 6.3
VECTOR: NETWORK
VECTORSTRING: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
MORE INFORMATION: https://nvd.nist.gov/vuln/detail/CVE-2025-11677

LAYER: meta-oe
PACKAGE NAME: libwebsockets
PACKAGE VERSION: 4.3.3
CVE: CVE-2025-11678
CVE STATUS: Patched
CVE SUMMARY: 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.
CVSS v2 BASE SCORE: 0.0
CVSS v3 BASE SCORE: 0.0
CVSS v4 BASE SCORE: 7.5
VECTOR: ADJACENT
VECTORSTRING: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
MORE INFORMATION: https://nvd.nist.gov/vuln/detail/CVE-2025-11678