Vulnerability Description
A security vulnerability has been detected in Kamailio 5.5. Impacted is the function rve_destroy of the file src/core/rvalue.c of the component Configuration File Handler. The manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit has been disclosed publicly and may be used. There is ongoing doubt regarding the real existence of this vulnerability. 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Kamailio | Kamailio | 5.5.0 |
Related Weaknesses (CWE)
References
- https://shimo.im/docs/loqeMWMyZGtpEYqn/ExploitThird Party Advisory
- https://vuldb.com/?ctiid.329874Permissions RequiredVDB Entry
- https://vuldb.com/?id.329874Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.673224Third Party AdvisoryVDB Entry
- https://www.openwall.com/lists/oss-security/2025/11/02/3
- http://www.openwall.com/lists/oss-security/2025/10/27/12
- http://www.openwall.com/lists/oss-security/2025/10/28/1
- https://www.openwall.com/lists/oss-security/2025/10/27/8Issue TrackingMailing List
FAQ
What is CVE-2025-12204?
CVE-2025-12204 is a vulnerability with a CVSS score of 5.3 (MEDIUM). A security vulnerability has been detected in Kamailio 5.5. Impacted is the function rve_destroy of the file src/core/rvalue.c of the component Configuration File Handler. The manipulation leads to he...
How severe is CVE-2025-12204?
CVE-2025-12204 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-12204?
Check the references section above for vendor advisories and patch information. Affected products include: Kamailio Kamailio.