{"id":"UBUNTU-CVE-2026-54057","details":"Kitty is a cross-platform GPU based terminal. In versions prior to 0.47.3, kitty's OSC 21 (color-control) query reply reflects attacker-controlled bytes, including newlines, into the shell's input without sanitization. Version 0.47.3 fixes the issue.","modified":"2026-09-15T20:16:38.400187961Z","published":"2026-06-12T21:16:00Z","related":["USN-8763-1"],"upstream":["CVE-2026-54057"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-54057"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-54057"},{"type":"REPORT","url":"https://github.com/kovidgoyal/kitty/security/advisories/GHSA-5gmr-9gwg-hhq6"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8763-1"}],"affected":[{"package":{"name":"kitty","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/kitty?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.39.1-1","0.41.1-2","0.41.1-2+deb13u1build0.25.10.1"],"ecosystem_specific":{"binaries":[{"binary_name":"kitty","binary_version":"0.41.1-2+deb13u1build0.25.10.1"},{"binary_name":"kitty-shell-integration","binary_version":"0.41.1-2+deb13u1build0.25.10.1"},{"binary_name":"kitty-terminfo","binary_version":"0.41.1-2+deb13u1build0.25.10.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-54057.json"}},{"package":{"name":"kitty","ecosystem":"Ubuntu:Pro:26.04:LTS","purl":"pkg:deb/ubuntu/kitty?arch=source&distro=esm-apps%2Fresolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.45.0-1ubuntu0.1~esm2"}]}],"versions":["0.41.1-2","0.43.1-1","0.44.0-1","0.45.0-1","0.45.0-1build1","0.45.0-1ubuntu0.1~esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"0.45.0-1ubuntu0.1~esm2","binary_name":"kitty"},{"binary_version":"0.45.0-1ubuntu0.1~esm2","binary_name":"kitty-shell-integration"},{"binary_name":"kitty-terminfo","binary_version":"0.45.0-1ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-54057.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}