Description
Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 18.26.4 and 18.9-cert17, RTP UDP ports and internal resources can leak due to a lack of session termination. This could result in leaks and resource exhaustion. This issue has been patched in versions 18.26.4 and 18.9-cert17.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
asterisk asterisk
< 18.26.4affected< 18.9-cert17affected
References
- https://github.com/asterisk/asterisk/security/advisories/GHSA-557q-795j-wfx2 ↗
- https://github.com/asterisk/asterisk/pull/1405 ↗
- https://github.com/asterisk/asterisk/pull/1406 ↗
- https://github.com/asterisk/asterisk/commit/0278f5bde14565c6838a6ec39bc21aee0cde56a9 ↗
- https://github.com/asterisk/asterisk/commit/eafcd7a451dcd007dddf324ac37dd55a4808338d ↗
- https://lists.debian.org/debian-lts-announce/2025/10/msg00006.html ↗