{"id":"UBUNTU-CVE-2026-53432","details":"fzf is vulnerable to Integer Overflow leading to crash in FuzzyMatchV2 function. When input line length is approximately 2,200,000 bytes and pattern length is 999 bytes, the product overflows. The Go runtime detects the invalid slice bounds and terminates the process immediately with a non-recoverable panic. This issue was fixed in version 0.73.1.","modified":"2026-07-03T21:45:17.460958827Z","published":"2026-06-30T13:19:00Z","upstream":["CVE-2026-53432"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53432"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-53432"},{"type":"REPORT","url":"https://cert.pl/en/posts/2026/06/CVE-2026-53432"},{"type":"REPORT","url":"https://github.com/junegunn/fzf"},{"type":"REPORT","url":"https://github.com/junegunn/fzf/commit/ccedd064ca56921a4235219516b3d834f60e7b91"}],"affected":[{"package":{"name":"fzf","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/fzf?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.18.0-2","0.18.0-3","0.19.0-1","0.20.0-1","0.20.0-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"fzf","binary_version":"0.20.0-1ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-53432.json"}},{"package":{"name":"fzf","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/fzf?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.24.3-1","0.29.0-1","0.29.0-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.29.0-1ubuntu0.1","binary_name":"fzf"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-53432.json"}},{"package":{"name":"fzf","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/fzf?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.42.0-1build1","0.44.1-1","0.44.1-1ubuntu0.1","0.44.1-1ubuntu0.2","0.44.1-1ubuntu0.3"],"ecosystem_specific":{"binaries":[{"binary_version":"0.44.1-1ubuntu0.3","binary_name":"fzf"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-53432.json"}},{"package":{"name":"fzf","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/fzf?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.60.3-1"],"ecosystem_specific":{"binaries":[{"binary_name":"fzf","binary_version":"0.60.3-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-53432.json"}},{"package":{"name":"fzf","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/fzf?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.60.3-1","0.66.0-1","0.67.0-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.67.0-1","binary_name":"fzf"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-53432.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}