CVE-2020-35511 · cross-distro fix matrix

CVE-2020-35511: A global buffer overflow was discovered in pngcheck function in pngcheck-2.4.0(5 patches applied) via a crafted png file.

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-35511 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

pngcheck→ fixed in3.0.3-1~deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pngcheck
```

Debian bookworm

Source: Debian Security Tracker

pngcheck→ fixed in3.0.2-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pngcheck
```

Debian trixie

Source: Debian Security Tracker

pngcheck→ fixed in3.0.2-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pngcheck
```

Are YOU affected by CVE-2020-35511?

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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