Critical Vulnerabilities in kitty Terminal Emulator Affect Multiple Ubuntu Releases
ID: c5bf527d-5bc4-5e21-91e4-d59c48d8811c
STIX ID: report--c5bf527d-5bc4-5e21-91e4-d59c48d8811c
Feed Name: ThreatCluster
Threat Score
Ubuntu disclosed two critical vulnerabilities in the kitty terminal emulator (CVE-2026-33633 and CVE-2026-33642) affecting Ubuntu 20.04 LTS through 26.04 LTS that can cause denial-of-service or enable arbitrary code execution; users should install the provided updates (kitty 0.45.0-1ubuntu0.1~esm1 for 26.04 LTS and relevant packages for earlier releases) and reboot systems to ensure mitigation.
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