CVE-2026-22801 · cross-distro fix matrix

CVE-2026-22801: LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.6.26 to 1.6.53, there is an integer truncation in the libpng simplified write API functions png_write_image_16bit and png_write_image_8bit causes heap bu

Affects 6 Linux releases across 6 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2026-22801 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libpng1.6→ fixed in1.6.37-3+deb11u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libpng1.6
```

Debian bookworm

Source: Debian Security Tracker

libpng1.6→ fixed in1.6.39-2+deb12u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libpng1.6
```

Debian trixie

Source: Debian Security Tracker

libpng1.6→ fixed in1.6.48-1+deb13u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libpng1.6
```

Alpine v3.20

Source: Alpine secdb

libpng→ fixed in1.6.54-r0
```
apk update && apk add --upgrade libpng
```

Alpine v3.21

Source: Alpine secdb

libpng→ fixed in1.6.54-r0
```
apk update && apk add --upgrade libpng
```

Alpine edge

Source: Alpine secdb

libpng→ fixed in1.6.54-r0
```
apk update && apk add --upgrade libpng
```

Are YOU affected by CVE-2026-22801?

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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