CVE-2019-18676 · cross-distro fix matrix

CVE-2019-18676: An issue was discovered in Squid 3.x and 4.x through 4.8. Due to incorrect input validation, there is a heap-based buffer overflow that can result in Denial of Service to all clients using the proxy. Severity is high due to this vulnerability occurring before normal security checks; any remote clien

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-18676 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

squid→ fixed in4.9-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y squid
```

Debian bookworm

Source: Debian Security Tracker

squid→ fixed in4.9-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y squid
```

Debian trixie

Source: Debian Security Tracker

squid→ fixed in4.9-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y squid
```

Are YOU affected by CVE-2019-18676?

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