CVE-2021-46829 · cross-distro fix matrix

CVE-2021-46829: GNOME GdkPixbuf (aka GDK-PixBuf) before 2.42.8 allows a heap-based buffer overflow when compositing or clearing frames in GIF files, as demonstrated by io-gif-animation.c composite_frame. This overflow is controllable and could be abused for code execution, especially on 32-bit systems.

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-46829 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-1+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y gdk-pixbuf
```

Debian bookworm

Source: Debian Security Tracker

gdk-pixbuf→ fixed in2.42.8+dfsg-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y gdk-pixbuf
```

Debian trixie

Source: Debian Security Tracker

gdk-pixbuf→ fixed in2.42.8+dfsg-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y gdk-pixbuf
```

Are YOU affected by CVE-2021-46829?

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

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Continuous monitoring beats manual checking

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