CVE-2025-12207
Kamailio Grammar Rule cfg.y yyerror_at null pointer dereference
Summary
Kamailio Grammar Rule cfg.y yyerror_at null pointer dereference
Original description
The description as published by the source.
A vulnerability has been found in Kamailio 5.5. This affects the function yyerror_at of the file src/core/cfg.y of the component Grammar Rule Handler. Such manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed to the public and may be used. The actual existence of this vulnerability is currently in question. This attack requires manipulating config files which might not be a realistic scenario in many cases. The vendor was contacted early about this disclosure but did not respond in any way.
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2025-12207 kamailio
- Ubuntu UBUNTU-CVE-2025-12207 kamailio
References
- advisory github.com
- advisory nvd.nist.gov
- advisory vuldb.com
- advisory vuldb.com
- report vuldb.com
- report shimo.im
- report shimo.im
- web openwall.com
- web openwall.com
- web openwall.com
- web openwall.com