CVE-2025-12205

A vulnerability was detected in Kamailio 5.5. The affected element is the function sr_push_yy_state of the file src/core/cfg.lex of the component Configuration File Handler. The manipulation results in use after free. The attack must be initiated from a local position. The exploit is now public and may be used. The real existence of this vulnerability is still doubted at the moment. 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.

The following products are affected by CVE-2025-12205 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-12205.

URL	Resource
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/ZzkLMVMLOzIRlpAQ/
https://vuldb.com/?ctiid.329875
https://vuldb.com/?id.329875
https://vuldb.com/?submit.673225
https://www.openwall.com/lists/oss-security/2025/10/27/8
https://www.openwall.com/lists/oss-security/2025/11/02/3