CVE-2025-12204

5.3 MEDIUM
Published: October 27, 2025 Modified: November 04, 2025

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://shimo.im/docs/loqeMWMyZGtpEYqn/
Source: cna@vuldb.com
Exploit Third Party Advisory
https://vuldb.com/?ctiid.329874
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/?id.329874
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.673224
Source: cna@vuldb.com
Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2025/10/27/12
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2025/10/28/1
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.openwall.com/lists/oss-security/2025/10/27/8
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Mailing List

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.3 / 10.0
EPSS (Exploit Probability)
0.0%
3th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

kamailio