Medium 5.3Published Oct 26, 2025

CVE-2025-12204Kamailio Configuration File rvalue.c rve_destroy heap-based overflow

Updated under an hour ago (Oct 27, 2026, 11:40 PM ET)

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It affects n/a Kamailio. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for n/a Kamailio

Exploited in the last 30 days

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: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Weakness (CWE): CWE-122, CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Modified
Record last updated: Feb 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

n/a Kamailio kamailio:kamailio	5.5	CNA record
kamailio kamailio kamailio:kamailio	5.5.0	NVD

References

References

https://vuldb.com/?id.329874	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/?ctiid.329874	signature, permissions-required, vdb-entry
https://vuldb.com/?submit.673224	third-party-advisory, vdb-entry
https://shimo.im/docs/loqeMWMyZGtpEYqn/	exploit, third-party-advisory
https://www.openwall.com/lists/oss-security/2025/11/02/3	related
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/2025/10/27/8	issue-tracking, mailing-list

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.