PT-2025-43867 · Unknown+1 · Kamailio 5.5+1

Vuldb + 1 · Published 2025-10-27 · Updated 2025-10-28 · CVE-2025-12207

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Kamailio version 5.5

Description A flaw exists in Kamailio 5.5 within the Grammar Rule Handler component, specifically in the yyerror at function located in the src/core/cfg.y file. This issue can lead to a null pointer dereference. Exploitation requires local access. The exploit for this issue is publicly available. The vendor was informed of the disclosure but did not provide a response.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Resource Release

NULL Pointer Dereference

Weakness Enumeration

CWE-404

CWE-476

Related Identifiers

CVE-2025-12207

Affected Products

Debian

Kamailio 5.5

References · 18

• 🔥 https://shimo.im/docs/vVqRMVMlrycMO63y · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-12207 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2025-12207 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-12207 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-12207 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-12207 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-12207 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-12207 · Vendor Advisory
• https://vuldb.com/?submit.673241 · Note
• https://openwall.com/lists/oss-security/2025/10/27/8 · Note
• https://t.me/CVEtracker/35778 · Telegram Post
• https://vuldb.com/?id.329877 · Note
• http://openwall.com/lists/oss-security/2025/10/27/8 · Note
• https://t.me/cveNotify/140378 · Telegram Post
• https://t.me/cveNotify/140674 · Telegram Post