Is CVE-2012-5976 actively exploited?

No active exploitation of CVE-2012-5976 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2012-5976 be exploited remotely?

Yes. CVE-2012-5976 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2012-5976?

CVE-2012-5976 has a CVSS score of 5.0 (MEDIUM).

HOME VULNERABILITIESCVE-2012-5976

MEDIUM

CVE-2012-5976

CWE-119Published: January 4, 2013· Updated: Jun 16, 2026

5.0

CVSS v3.1

Official Description

Multiple stack consumption vulnerabilities in Asterisk Open Source 1.8.x before 1.8.19.1, 10.x before 10.11.1, and 11.x before 11.1.2; Certified Asterisk 1.8.11 before 1.8.11-cert10; and Asterisk Digiumphones 10.x-digiumphones before 10.11.1-digiumphones allow remote attackers to cause a denial of service (daemon crash) via TCP data using the (1) SIP, (2) HTTP, or (3) XMPP protocol.

NVD Source

Technical Analysis

CVE-2012-5976 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.