CVE-2011-2535
EPSS 0.18%
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.
How to fix CVE-2011-2535
To remediate CVE-2011-2535, upgrade the affected package to a fixed version below.
- Debian/asterisk—upgrade to 1:1.8.4.3-1 or later
Is CVE-2011-2535 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:1.8.4.3-1