CVE-2025-12206

A flaw has been found in Kamailio 5.5. The impacted element is the function rve_is_constant of the file src/core/rvalue.c. This manipulation causes null pointer dereference. The attack needs to be launched locally. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
References
Link Resource
https://shimo.im/docs/aBAYMVMB2jUP9jAj/ Exploit Third Party Advisory
https://vuldb.com/?ctiid.329876 Permissions Required VDB Entry
https://vuldb.com/?id.329876 Third Party Advisory VDB Entry
https://vuldb.com/?submit.673240 Third Party Advisory VDB Entry
https://www.openwall.com/lists/oss-security/2025/10/27/8 Issue Tracking Mailing List
https://shimo.im/docs/aBAYMVMB2jUP9jAj Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:kamailio:kamailio:5.5.0:*:*:*:*:*:*:*

History

28 Oct 2025, 15:05

Type Values Removed Values Added
First Time Kamailio kamailio
Kamailio
References () https://shimo.im/docs/aBAYMVMB2jUP9jAj/ - () https://shimo.im/docs/aBAYMVMB2jUP9jAj/ - Exploit, Third Party Advisory
References () https://vuldb.com/?ctiid.329876 - () https://vuldb.com/?ctiid.329876 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.329876 - () https://vuldb.com/?id.329876 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.673240 - () https://vuldb.com/?submit.673240 - Third Party Advisory, VDB Entry
References () https://www.openwall.com/lists/oss-security/2025/10/27/8 - () https://www.openwall.com/lists/oss-security/2025/10/27/8 - Issue Tracking, Mailing List
References () https://shimo.im/docs/aBAYMVMB2jUP9jAj - () https://shimo.im/docs/aBAYMVMB2jUP9jAj - Exploit, Third Party Advisory
CPE cpe:2.3:a:kamailio:kamailio:5.5.0:*:*:*:*:*:*:*

28 Oct 2025, 14:15

Type Values Removed Values Added
References
  • () https://shimo.im/docs/aBAYMVMB2jUP9jAj -

28 Oct 2025, 01:16

Type Values Removed Values Added
References
  • () https://www.openwall.com/lists/oss-security/2025/10/27/8 -

27 Oct 2025, 03:15

Type Values Removed Values Added
New CVE

Information

Published : 2025-10-27 03:15

Updated : 2025-10-28 15:05


NVD link : CVE-2025-12206

Mitre link : CVE-2025-12206

CVE.ORG link : CVE-2025-12206


JSON object : View

Products Affected

kamailio

  • kamailio
CWE
CWE-404

Improper Resource Shutdown or Release

CWE-476

NULL Pointer Dereference