Low severity3.3NVD Advisory· Published Oct 27, 2025· Updated Apr 29, 2026
CVE-2025-12207
CVE-2025-12207
Description
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.
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Affected products
2Patches
Vulnerability mechanics
References
9- shimo.im/docs/vVqRMVMlrycMO63ynvdExploitThird Party Advisory
- shimo.im/docs/vVqRMVMlrycMO63y/nvdExploitThird Party Advisory
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdPermissions RequiredVDB Entry
- www.openwall.com/lists/oss-security/2025/10/27/8nvdIssue TrackingMailing List
- www.openwall.com/lists/oss-security/2025/10/27/12nvd
- www.openwall.com/lists/oss-security/2025/10/27/8nvd
- www.openwall.com/lists/oss-security/2025/11/02/3nvd
News mentions
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