VULNERABILITY INTELLIGENCE

CVE-2011-2535

CVSS score5 MEDIUM
EPSS probability4.61%
CISA KEVNot currently listed
Published2011-07-06
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P

Description

chan_iax2.c in the IAX2 channel driver in Asterisk Open Source 1.4.x before 1.4.41.1, 1.6.2.x before 1.6.2.18.1, and 1.8.x before 1.8.4.3, and Asterisk Business Edition C.3 before C.3.7.3, accesses a memory address contained in an option control frame, which allows remote attackers to cause a denial of service (daemon crash) or possibly have unspecified other impact via a crafted frame.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references