asterisk: Asterisk is an open source private branch exchange and telephony toolkit
CVE-2026-23741 is fixed in asterisk on 1 platform by DEBIAN-CVE-2026-23741 (version 1:22.8.2+dfsg+~cs6.15.60671435-1), released February 6, 2026. It is not reported as exploited. Patch Radar priority: High.
Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2, the asterisk/contrib/scripts/ast_coredumper runs as root, as noted by the NOTES tag on line 689 of the ast_coredumper file. The script will source the contents of /etc/asterisk/ast_debug_tools.conf, which resides in a folder that is writeable by the asterisk user:group. Due to the /etc/asterisk/ast_debug_tools.conf file following bash semantics and it being loaded; an attacker with write permissions may add or modify the file such that when the root ast_coredumper is run; it would source and thereby execute arbitrary bash code found in the /etc/asterisk/ast_debug_tools.conf. This issue has been patched in versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| asterisk · Debian 14 | 1:22.8.2+dfsg+~cs6.15.60671435-1 | DEBIAN-CVE-2026-23741 | Feb 6, 2026 |
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