Description
Stack-based buffer overflow in the IAX2 channel driver (chan_iax2) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows remote attackers to execute arbitrary code by sending a long (1) voice or (2) video RTP frame.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | asterisk | 1:1.4.8~dfsg-1 | — |
| Debian 4.0 | asterisk | 1:1.2.13~dfsg-2etch1 | DSA-1358-1 |
| Debian 3.1 | asterisk | 1:1.0.7.dfsg.1-2sarge5 | DSA-1358-1 |
Advisories 1
- DSA-1358-1 asterisk Debian Security (DSA / DLA) · Mar 9, 2026
References
- asterisk-iax2channeldriver-bo(35466) vdb-entry
- 26099 third-party-advisory
- 1018407 vdb-entry
- GLSA-200802-11 vendor-advisory
- 29051 third-party-advisory
- http://bugs.gentoo.org/show_bug.cgi?id=185713
- ADV-2007-2563 vdb-entry
- DSA-1358 vendor-advisory
- SUSE-SR:2007:015 vendor-advisory
- http://ftp.digium.com/pub/asa/ASA-2007-014.pdf
- 24949 vdb-entry