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CVE-2025-12207

Full vulnerability record from the local CVENow database.

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.

Severity
LOW
CVSS score
1.9 (v4.0)
Vulnerability status
Modified
Source identifier
Published
2025-10-27 03:15:49.937000
Last modified
2026-10-19 13:10:00.110000
View original CVE JSON
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  "id": "CVE-2025-12207",
  "sourceIdentifier": "[email protected]",
  "published": "2025-10-27T03:15:49.937",
  "lastModified": "2026-10-19T13:10:00.110",
  "vulnStatus": "Modified",
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      "value": "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."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad ha sido encontrada en Kamailio 5.5. Esto afecta la función yyerror_at del archivo src/core/cfg.y del componente Gestor de Reglas Gramaticales. Dicha manipulación lleva a desreferencia de puntero nulo. El ataque necesita ser realizado localmente. El exploit ha sido divulgado al público y puede ser usado. La existencia real de esta vulnerabilidad está actualmente en cuestión. Este ataque requiere manipular archivos de configuración, lo cual podría no ser un escenario realista en muchos casos. El proveedor fue contactado tempranamente sobre esta divulgación, pero no respondió de ninguna manera."
    }
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      "affectedData": [
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