PT-2025-43865 · Kamailio+1 · Kamailio+1

Vuldb + 1 · Published 2025-10-27 · Updated 2025-10-28 · CVE-2025-12205

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Kamailio version 5.5

Description A flaw exists in Kamailio that involves a use-after-free condition. This issue is located within the Configuration File Handler component, specifically in the sr push yy state function of the src/core/cfg.lex file. The attack requires local access. The exploit for this issue is publicly available. The vendor was informed of this 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

Buffer Overflow

Use After Free

Weakness Enumeration

CWE-119

CWE-416

Related Identifiers

CVE-2025-12205

Affected Products

Debian

Kamailio

References · 18

• 🔥 https://shimo.im/docs/ZzkLMVMLOzIRlpAQ · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-12205 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-12205 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-12205 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-12205 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-12205 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-12205 · Security Note
• https://osv.dev/vulnerability/CVE-2025-12205 · Vendor Advisory
• http://openwall.com/lists/oss-security/2025/10/27/8 · Note
• https://t.me/cveNotify/140376 · Telegram Post
• https://vuldb.com/?id.329875 · Note
• https://t.me/CVEtracker/35776 · Telegram Post
• https://openwall.com/lists/oss-security/2025/11/02/3 · Note
• https://vuldb.com/?submit.673225 · Note
• https://vuldb.com/?ctiid.329875 · Note