CVEvulnerability

CVE-2025-11678

7.5 HIGH Published 2025-10-20 Modified 2026-10-08 Official page ↗
Status
Deferred
Published
2025-10-20
Last modified
2026-10-08
Assigner
[email protected]
CVSS 4.0 ([email protected])
7.5 HIGH — 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
Weaknesses
CWE-121

Description

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.

Related

Weakness · CWE (1)

  • CWE-121 Stack-based Buffer Overflow weakness

References