CVE-2026-23740 · cross-distro fix matrix

CVE-2026-23740: 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, when ast_coredumper writes its gdb init and output files to a directory that is world-writable (for example /tmp), an attacker with write permission(which is

Affects 1 Linux release across 1 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2026-23740 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

asterisk→ fixed in1:16.28.0~dfsg-0+deb11u9urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y asterisk
```

Are YOU affected by CVE-2026-23740?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

CVE-2026-23740dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

See StackPatch ($99 lifetime)