CVE-2025-11678

Description

Stack-based Buffer Overflowin 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.

Risk Information

Base Score

7.6

MODERATE

Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L

EPSS Score

Exploitation Probability

0.01

Associated Vulnerability

No records found

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234