CVE-2011-2529

MediumCVSS 5.0/10Last modified Jun 16, 2026

Description

chan_sip.c in the SIP channel driver in Asterisk Open Source 1.6.x before 1.6.2.18.1 and 1.8.x before 1.8.4.3 does not properly handle '\0' characters in SIP packets, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted packet.

Metrics

CVSS 2.0 5.0/10AV:N/AC:L/Au:N/C:N/I:N/A:P

Weakness enumeration

CWE-119

Affected software

No affected versions have been published.

Timeline

Published
Jul 6, 2011
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2011-2529: Medium severity, CVSS 5.0 | Vulnix