CVE-2026-33642 · cross-distro fix matrix

CVE-2026-33642: It was discovered that kitty incorrectly handled certain image data. An

Affects 6 Linux releases across 19 (distro × package) combinations. First disclosed: 2026-05-19.

CVSS v3:CRITICAL · 9.9(NVD-published)

Fix per ecosystem

Each block below is a distro release where CVE-2026-33642 has a known fix. Run the listed command on that distro to remediate.

Ubuntu focal

Source: Ubuntu USN

kitty→ fixed in0.15.0-1ubuntu0.2+esm1USN-8442-1
```
sudo apt-get install --only-upgrade -y kitty
```
kitty-doc→ fixed in0.15.0-1ubuntu0.2+esm1USN-8442-1
```
sudo apt-get install --only-upgrade -y kitty-doc
```
kitty-terminfo→ fixed in0.15.0-1ubuntu0.2+esm1USN-8442-1
```
sudo apt-get install --only-upgrade -y kitty-terminfo
```

Ubuntu jammy

Source: Ubuntu USN

kitty→ fixed in0.21.2-1ubuntu0.22.04.1+esm1USN-8442-1
```
sudo apt-get install --only-upgrade -y kitty
```
kitty-doc→ fixed in0.21.2-1ubuntu0.22.04.1+esm1USN-8442-1
```
sudo apt-get install --only-upgrade -y kitty-doc
```
kitty-terminfo→ fixed in0.21.2-1ubuntu0.22.04.1+esm1USN-8442-1
```
sudo apt-get install --only-upgrade -y kitty-terminfo
```

Ubuntu noble

Source: Ubuntu USN

kitty→ fixed in0.32.2-1ubuntu0.4+esm1USN-8442-1
```
sudo apt-get install --only-upgrade -y kitty
```
kitty-doc→ fixed in0.32.2-1ubuntu0.4+esm1USN-8442-1
```
sudo apt-get install --only-upgrade -y kitty-doc
```
kitty-shell-integration→ fixed in0.32.2-1ubuntu0.4+esm1USN-8442-1
```
sudo apt-get install --only-upgrade -y kitty-shell-integration
```
kitty-terminfo→ fixed in0.32.2-1ubuntu0.4+esm1USN-8442-1
```
sudo apt-get install --only-upgrade -y kitty-terminfo
```

Ubuntu questing

Source: Ubuntu USN

kitty→ fixed in0.41.1-2+deb13u1build0.25.10.1USN-8442-1
```
sudo apt-get install --only-upgrade -y kitty
```
kitty-doc→ fixed in0.41.1-2+deb13u1build0.25.10.1USN-8442-1
```
sudo apt-get install --only-upgrade -y kitty-doc
```
kitty-shell-integration→ fixed in0.41.1-2+deb13u1build0.25.10.1USN-8442-1
```
sudo apt-get install --only-upgrade -y kitty-shell-integration
```
kitty-terminfo→ fixed in0.41.1-2+deb13u1build0.25.10.1USN-8442-1
```
sudo apt-get install --only-upgrade -y kitty-terminfo
```

Ubuntu resolute

Source: Ubuntu USN

kitty→ fixed in0.45.0-1ubuntu0.1~esm1USN-8442-1
```
sudo apt-get install --only-upgrade -y kitty
```
kitty-doc→ fixed in0.45.0-1ubuntu0.1~esm1USN-8442-1
```
sudo apt-get install --only-upgrade -y kitty-doc
```
kitty-shell-integration→ fixed in0.45.0-1ubuntu0.1~esm1USN-8442-1
```
sudo apt-get install --only-upgrade -y kitty-shell-integration
```
kitty-terminfo→ fixed in0.45.0-1ubuntu0.1~esm1USN-8442-1
```
sudo apt-get install --only-upgrade -y kitty-terminfo
```

Debian trixie

Source: Debian Security Tracker

kitty→ fixed in0.41.1-2+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y kitty
```

Are YOU affected by CVE-2026-33642?

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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