Vulnerability Description
A vulnerability was found in warmcat libwebsockets 4.5.0. Impacted is the function report_raw_cbor of the file lib/misc/lecp.c of the component LECP CBOR Recording. The manipulation results in out-of-bounds write. The attack can be launched remotely. The exploit has been made public and could be used. The patch is identified as 1d44554a1bb262db63ff4e240152a9deecd99054. It is best practice to apply a patch to resolve this issue.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/biniamf/pocs/blob/main/libwebsockets-lecp-lecp_parse-cbor_pos
- https://github.com/biniamf/pocs/tree/main/libwebsockets-lecp-lecp_parse-cbor_pos
- https://github.com/warmcat/libwebsockets/
- https://github.com/warmcat/libwebsockets/commit/1d44554a1bb262db63ff4e240152a9de
- https://vuldb.com/cve/CVE-2026-78161
- https://vuldb.com/submit/883225
- https://vuldb.com/vuln/394543
- https://vuldb.com/vuln/394543/cti
FAQ
What is CVE-2026-78161?
CVE-2026-78161 is a vulnerability with a CVSS score of 7.3 (HIGH). A vulnerability was found in warmcat libwebsockets 4.5.0. Impacted is the function report_raw_cbor of the file lib/misc/lecp.c of the component LECP CBOR Recording. The manipulation results in out-of-...
How severe is CVE-2026-78161?
CVE-2026-78161 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-78161?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.