{"id":"DEBIAN-CVE-2018-1000021","details":"GIT version 2.15.1 and earlier contains a Input Validation Error vulnerability in Client that can result in problems including messing up terminal configuration to RCE. This attack appear to be exploitable via The user must interact with a malicious git server, (or have their traffic modified in a MITM attack).","modified":"2026-09-01T20:03:52.535993058Z","published":"2018-02-09T23:29:00.557Z","upstream":["CVE-2018-1000021"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2018-1000021"}],"affected":[{"package":{"name":"git","ecosystem":"Debian:12","purl":"pkg:deb/debian/git?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.39.2+next.20230215-1","1:2.39.2-1.1","1:2.39.5-0+deb12u1","1:2.39.5-0+deb12u2","1:2.39.5-0+deb12u3","1:2.40.0+next.20230313-1","1:2.40.0+next.20230319-1","1:2.40.0-1","1:2.40.0-1+alpha.1","1:2.40.1+next.20230424-1","1:2.40.1+next.20230427-1","1:2.40.1-1","1:2.40.1-1+alpha.1","1:2.42.0-1","1:2.43.0+next.20231120-1","1:2.43.0+next.20240104-1","1:2.43.0-1","1:2.43.0-1+alpha.2","1:2.45.1+next.20240516-1","1:2.45.1-1","1:2.45.2+next.20240614-1","1:2.45.2-1","1:2.45.2-1+alpha.1","1:2.45.2-1.1","1:2.45.2-1.1+alpha.1","1:2.45.2-1.2","1:2.45.2-1.3","1:2.47.1-1","1:2.47.2-0.1","1:2.47.2-0.2","1:2.48.0~rc1+next.20250101-1","1:2.49.0+next.20250314-1","1:2.49.0-1","1:2.49.0-2","1:2.49.0-3","1:2.50.0+next.20250615-1","1:2.50.0-1","1:2.50.0~rc0+next.20250528-1","1:2.50.1-0.1","1:2.51.0+next.20250825-1","1:2.51.0-1","1:2.53.0+next.20260227-1","1:2.53.0-1","1:2.53.0-1+hurd.1","1:2.55.0+next.20260731-1","1:2.55.0-1"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-1000021.json"}},{"package":{"name":"git","ecosystem":"Debian:13","purl":"pkg:deb/debian/git?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.47.2-0.2","1:2.47.3-0+deb13u1","1:2.48.0~rc1+next.20250101-1","1:2.49.0+next.20250314-1","1:2.49.0-1","1:2.49.0-2","1:2.49.0-3","1:2.50.0+next.20250615-1","1:2.50.0-1","1:2.50.0~rc0+next.20250528-1","1:2.50.1-0.1","1:2.51.0+next.20250825-1","1:2.51.0-1","1:2.53.0+next.20260227-1","1:2.53.0-1","1:2.53.0-1+hurd.1","1:2.55.0+next.20260731-1","1:2.55.0-1"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-1000021.json"}},{"package":{"name":"git","ecosystem":"Debian:14","purl":"pkg:deb/debian/git?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.47.2-0.2","1:2.48.0~rc1+next.20250101-1","1:2.49.0+next.20250314-1","1:2.49.0-1","1:2.49.0-2","1:2.49.0-3","1:2.50.0+next.20250615-1","1:2.50.0-1","1:2.50.0~rc0+next.20250528-1","1:2.50.1-0.1","1:2.51.0+next.20250825-1","1:2.51.0-1","1:2.53.0+next.20260227-1","1:2.53.0-1","1:2.53.0-1+hurd.1","1:2.55.0+next.20260731-1","1:2.55.0-1"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-1000021.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L"}]}