CVE-2025-12207
mediumpriority · track · 22EPSS 0.002 · 14 %ileEUUSEPSS · scored 2026-10-28
A vulnerability has been found in Kamailio 5.5. This affects the function yyerror_at of the file src/core/cfg.y of the component Grammar Rule Handler. Such manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed to the public and may be used. The actual existence of this vulnerability is currently in question. 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–medium · 1.1–5.5
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 (25)
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2025/10/27/12cnnvd
- http://www.openwall.com/lists/oss-security/2025/10/27/8cnnvd
- https://access.redhat.com/security/cve/cve-2025-12207cnnvd
- https://shimo.im/docs/vVqRMVMlrycMO63ycnnvd
- https://shimo.im/docs/vVqRMVMlrycMO63y/cnnvd
- https://vuldb.com/?ctiid.329877cnnvd
- https://vuldb.com/?id.329877cnnvd
- https://vuldb.com/?submit.673241cnnvd
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