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.
Metrics
CVSS 3.1 7.8/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | Kamailio | 5.5 |
References
- https://shimo.im/docs/loqeMWMyZGtpEYqn/Exploit, Third Party Advisory
- https://vuldb.com/?ctiid.329874Permissions Required, VDB Entry
- https://vuldb.com/?id.329874Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.673224Third Party Advisory, VDB 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 Tracking, Mailing List
Timeline
- Published
- Oct 27, 2025
- Last modified
- Oct 19, 2026
- NVD status
- Modified