Skip to content
USN-8442-1: kitty vulnerabilities

USN-8442-1: kitty vulnerabilities

Ubuntu June 17, 2026

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 )

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 )

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 )

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 )

After a standard system update you need to restart kitty to make all the necessary changes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.