CVE-2022-23537 · cross-distro fix matrix

CVE-2022-23537: PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. Buffer overread is possible when parsing a specially crafted STUN message with unknown attribute. The vulnerability affects applica

Affects 3 Linux releases across 4 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2022-23537 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+deb11u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y asterisk
```
ring→ fixed in20210112.2.b757bac~ds1-1+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y ring
```

Debian bookworm

Source: Debian Security Tracker

ring→ fixed in20230206.0~ds1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y ring
```

Alpine v3.18

Source: Alpine secdb

asterisk→ fixed in18.20.2-r0

apk update && apk add --upgrade asterisk

Are YOU affected by CVE-2022-23537?

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

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