CVE-2025-12204
highpriority · track · 31EPSS 0.003 · 22 %ileEUUSEPSS · scored 2026-10-28
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 1.1–7.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (23)
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2025/10/27/12cnnvd
- http://www.openwall.com/lists/oss-security/2025/10/28/1cnnvd
- https://access.redhat.com/security/cve/cve-2025-12204cnnvd
- https://shimo.im/docs/loqeMWMyZGtpEYqn/cnnvd
- https://vuldb.com/?ctiid.329874cnnvd
- https://vuldb.com/?id.329874cnnvd
- https://vuldb.com/?submit.673224cnnvd
- https://www.kamailio.org/w/download/Patchcnnvd
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