CVE-2025-12207 | BDVDB-2026-299463 Detail
Kamailio
Description#
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.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact low. Attack vector: local.
Weaknesses#
References#
- https://vuldb.com/?id.329877
- https://vuldb.com/?ctiid.329877
- https://vuldb.com/?submit.673241
- https://shimo.im/docs/vVqRMVMlrycMO63y/
- https://www.openwall.com/lists/oss-security/2025/11/02/3
- https://www.openwall.com/lists/oss-security/2025/10/27/8
- http://www.openwall.com/lists/oss-security/2025/10/27/12
- http://www.openwall.com/lists/oss-security/2025/10/27/8
- https://shimo.im/docs/vVqRMVMlrycMO63y
Exploit#
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.