Ubuntu USN · USN-8442-1

kitty vulnerabilities

Published: Wed, 17 Jun 2026 15:37

CVE-2026-33642CVE-2026-33633

Summary

Several security issues were fixed in kitty.

Details

It was discovered that kitty incorrectly handled certain image data. An attacker able to write to the terminal's input could possibly use this issue to cause kitty to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2026-33633) It was discovered that kitty incorrectly handled certain graphics commands. An attacker able to write escape sequences to a kitty terminal could possibly use this issue to cause kitty to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2026-33642)

Recommended actions per Ubuntu release

StackPatch playbook auto-generated per release codename and per affected package.

Ubuntu focal

kitty→0.15.0-1ubuntu0.2+esm1apt_upgrade
Standard apt upgrade. Install 0.15.0-1ubuntu0.2+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
kitty→0.15.0-1ubuntu0.2+esm1apt_upgrade
Standard apt upgrade. Install 0.15.0-1ubuntu0.2+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
kitty-doc→0.15.0-1ubuntu0.2+esm1apt_upgrade
Standard apt upgrade. Install 0.15.0-1ubuntu0.2+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
kitty-terminfo→0.15.0-1ubuntu0.2+esm1apt_upgrade
Standard apt upgrade. Install 0.15.0-1ubuntu0.2+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty-terminfo
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu jammy

kitty→0.21.2-1ubuntu0.22.04.1+esm1apt_upgrade
Standard apt upgrade. Install 0.21.2-1ubuntu0.22.04.1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
kitty→0.21.2-1ubuntu0.22.04.1+esm1apt_upgrade
Standard apt upgrade. Install 0.21.2-1ubuntu0.22.04.1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
kitty-doc→0.21.2-1ubuntu0.22.04.1+esm1apt_upgrade
Standard apt upgrade. Install 0.21.2-1ubuntu0.22.04.1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
kitty-terminfo→0.21.2-1ubuntu0.22.04.1+esm1apt_upgrade
Standard apt upgrade. Install 0.21.2-1ubuntu0.22.04.1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty-terminfo
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu noble

kitty→0.32.2-1ubuntu0.4+esm1apt_upgrade
Standard apt upgrade. Install 0.32.2-1ubuntu0.4+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
kitty→0.32.2-1ubuntu0.4+esm1apt_upgrade
Standard apt upgrade. Install 0.32.2-1ubuntu0.4+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
kitty-doc→0.32.2-1ubuntu0.4+esm1apt_upgrade
Standard apt upgrade. Install 0.32.2-1ubuntu0.4+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
kitty-shell-integration→0.32.2-1ubuntu0.4+esm1apt_upgrade
Standard apt upgrade. Install 0.32.2-1ubuntu0.4+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty-shell-integration
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
kitty-terminfo→0.32.2-1ubuntu0.4+esm1apt_upgrade
Standard apt upgrade. Install 0.32.2-1ubuntu0.4+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty-terminfo
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu questing

kitty→0.41.1-2+deb13u1build0.25.10.1apt_upgrade
Standard apt upgrade. Install 0.41.1-2+deb13u1build0.25.10.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
kitty→0.41.1-2+deb13u1build0.25.10.1apt_upgrade
Standard apt upgrade. Install 0.41.1-2+deb13u1build0.25.10.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
kitty-doc→0.41.1-2+deb13u1build0.25.10.1apt_upgrade
Standard apt upgrade. Install 0.41.1-2+deb13u1build0.25.10.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
kitty-shell-integration→0.41.1-2+deb13u1build0.25.10.1apt_upgrade
Standard apt upgrade. Install 0.41.1-2+deb13u1build0.25.10.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty-shell-integration
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
kitty-terminfo→0.41.1-2+deb13u1build0.25.10.1apt_upgrade
Standard apt upgrade. Install 0.41.1-2+deb13u1build0.25.10.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty-terminfo
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu resolute

kitty→0.45.0-1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 0.45.0-1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty=0.45.0-1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
kitty→0.45.0-1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 0.45.0-1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty=0.45.0-1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
kitty-doc→0.45.0-1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 0.45.0-1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty-doc=0.45.0-1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
kitty-shell-integration→0.45.0-1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 0.45.0-1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty-shell-integration=0.45.0-1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
kitty-terminfo→0.45.0-1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 0.45.0-1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y kitty-terminfo=0.45.0-1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.

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