CVE-2026-4367 · cross-distro fix matrix

CVE-2026-4367: Naoki Wakamatsu discovered that libXpm did not properly validate file

Affects 7 Linux releases across 16 (distro × package) combinations. First disclosed: 2026-06-16.

CVSS v3:MEDIUM · 5.5(NVD-published)

Fix per ecosystem

Each block below is a distro release where CVE-2026-4367 has a known fix. Run the listed command on that distro to remediate.

Ubuntu jammy

Source: Ubuntu USN

libxpm→ fixed in1:3.5.12-1ubuntu0.22.04.3USN-8600-1
```
sudo apt-get install --only-upgrade -y libxpm
```
libxpm-dev→ fixed in1:3.5.12-1ubuntu0.22.04.3USN-8600-1
```
sudo apt-get install --only-upgrade -y libxpm-dev
```
libxpm4→ fixed in1:3.5.12-1ubuntu0.22.04.3USN-8600-1
```
sudo apt-get install --only-upgrade -y libxpm4
```
xpmutils→ fixed in1:3.5.12-1ubuntu0.22.04.3USN-8600-1
```
sudo apt-get install --only-upgrade -y xpmutils
```

Ubuntu noble

Source: Ubuntu USN

libxpm→ fixed in1:3.5.17-1ubuntu0.24.04.1USN-8600-1
```
sudo apt-get install --only-upgrade -y libxpm
```
libxpm-dev→ fixed in1:3.5.17-1ubuntu0.24.04.1USN-8600-1
```
sudo apt-get install --only-upgrade -y libxpm-dev
```
libxpm4→ fixed in1:3.5.17-1ubuntu0.24.04.1USN-8600-1
```
sudo apt-get install --only-upgrade -y libxpm4
```
xpmutils→ fixed in1:3.5.17-1ubuntu0.24.04.1USN-8600-1
```
sudo apt-get install --only-upgrade -y xpmutils
```

Ubuntu resolute

Source: Ubuntu USN

libxpm→ fixed in1:3.5.17-1ubuntu0.26.04.1USN-8600-1
```
sudo apt-get install --only-upgrade -y libxpm
```
libxpm-dev→ fixed in1:3.5.17-1ubuntu0.26.04.1USN-8600-1
```
sudo apt-get install --only-upgrade -y libxpm-dev
```
libxpm4→ fixed in1:3.5.17-1ubuntu0.26.04.1USN-8600-1
```
sudo apt-get install --only-upgrade -y libxpm4
```
xpmutils→ fixed in1:3.5.17-1ubuntu0.26.04.1USN-8600-1
```
sudo apt-get install --only-upgrade -y xpmutils
```

Debian trixie

Source: Debian Security Tracker

libxpm→ fixed in1:3.5.17-1+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libxpm
```

Alpine v3.20

Source: Alpine secdb

libxpm→ fixed in3.5.19-r0
```
apk update && apk add --upgrade libxpm
```

Alpine v3.21

Source: Alpine secdb

libxpm→ fixed in3.5.19-r0
```
apk update && apk add --upgrade libxpm
```

Alpine edge

Source: Alpine secdb

libxpm→ fixed in3.5.19-r0
```
apk update && apk add --upgrade libxpm
```

Are YOU affected by CVE-2026-4367?

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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