CVE-2026-25990 · cross-distro fix matrix

CVE-2026-25990: Pillow is a Python imaging library. From 10.3.0 to before 12.1.1, an out-of-bounds write may be triggered when loading a specially crafted PSD image. This vulnerability is fixed in 12.1.1.

Affects 2 Linux releases across 2 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2026-25990 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

pillow→ fixed in11.1.0-5+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pillow
```

Alpine edge

Source: Alpine secdb

py3-pillow→ fixed in12.1.1-r0

apk update && apk add --upgrade py3-pillow

Are YOU affected by CVE-2026-25990?

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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