CVE-2025-12204

LOW EPSS 19.7%
Published Oct 27, 20258mo ago · Modified Jun 17, 20262w ago
1.9 CVSS 4.0
Low
Find Similar
Published Oct 27, 2025 8mo ago
Last Modified Jun 17, 2026 2w ago

Description

A security vulnerability has been detected in Kamailio 5.5. Impacted is the function rve_destroy of the file src/core/rvalue.c of the component Configuration File Handler. The manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit has been disclosed publicly and may be used. There is ongoing doubt regarding the real existence of this vulnerability. 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 Details

Base Score
1.9
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
19.7% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 3

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-122
CWE-787 Out-of-bounds Write Memory Safety

Affected Products 1

VendorProductVersionRange
kamailiokamailio5.5.0any

References 8

  • openwall.com http://www.openwall.com/lists/oss-security/2025/10/27/12
  • openwall.com http://www.openwall.com/lists/oss-security/2025/10/28/1
  • shimo.im https://shimo.im/docs/loqeMWMyZGtpEYqn/
    ExploitThird Party Advisory
  • vuldb.com https://vuldb.com/?ctiid.329874
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.329874
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.673224
    Third Party AdvisoryVDB Entry
  • openwall.com https://www.openwall.com/lists/oss-security/2025/10/27/8
    Issue TrackingMailing List
  • openwall.com https://www.openwall.com/lists/oss-security/2025/11/02/3

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.