CVE-2025-54995 · cross-distro fix matrix

CVE-2025-54995: 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

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

Fix per ecosystem

Each block below is a distro release where CVE-2025-54995 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+deb11u8urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y asterisk
```

Are YOU affected by CVE-2025-54995?

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

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