CVE-2025-12205
Kamailio Configuration File cfg.lex sr_push_yy_state use after free
Summary
Kamailio Configuration File cfg.lex sr_push_yy_state use after free
Original description
The description as published by the source.
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.
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2025-12205 kamailio
- Ubuntu UBUNTU-CVE-2025-12205 kamailio
References
- advisory github.com
- advisory nvd.nist.gov
- advisory vuldb.com
- advisory vuldb.com
- report vuldb.com
- report shimo.im
- web openwall.com
- web openwall.com
- web openwall.com
- web openwall.com