CVE-2025-12205
highpriority · track · 31EPSS 0.002 · 14 %ileEUUSEPSS · scored 2026-10-28
A vulnerability was detected in Kamailio 5.5. The affected element is the function sr_push_yy_state of the file src/core/cfg.lex of the component Configuration File Handler. The manipulation results in use after free. The attack must be initiated from a local position. The exploit is now public and may be used. The real existence of this vulnerability is still doubted at the moment. 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/2025/10/27/8cnnvd
- https://access.redhat.com/security/cve/cve-2025-12205cnnvd
- https://shimo.im/docs/ZzkLMVMLOzIRlpAQ/cnnvd
- https://vuldb.com/?ctiid.329875cnnvd
- https://vuldb.com/?id.329875cnnvd
- https://vuldb.com/?submit.673225cnnvd
- https://www.kamailio.org/w/download/Patchcnnvd
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