CVE-2021-20240 · cross-distro fix matrix

CVE-2021-20240: A flaw was found in gdk-pixbuf in versions before 2.42.0. An integer wraparound leading to an out of bounds write can occur when a crafted GIF image is loaded. An attacker may cause applications to crash or could potentially execute code on the victim system. The highest threat from this vulnerabili

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-20240 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

gdk-pixbuf→ fixed in2.42.2+dfsg-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y gdk-pixbuf
```

Debian bookworm

Source: Debian Security Tracker

gdk-pixbuf→ fixed in2.42.2+dfsg-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y gdk-pixbuf
```

Debian trixie

Source: Debian Security Tracker

gdk-pixbuf→ fixed in2.42.2+dfsg-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y gdk-pixbuf
```

Are YOU affected by CVE-2021-20240?

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.

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