{"id":"CVE-2021-33477","details":"rxvt-unicode 9.22, rxvt 2.7.10, mrxvt 0.5.4, and Eterm 0.9.7 allow (potentially remote) code execution because of improper handling of certain escape sequences (ESC G Q). A response is terminated by a newline.","modified":"2026-07-08T05:59:52.633862315Z","published":"2021-05-20T20:15:07.397Z","related":["openSUSE-SU-2022:10222-1","openSUSE-SU-2024:12386-1"],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"9.0"},{"last_affected":"9.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux"},{"vendor_product":"eterm_project:eterm","cpes":["cpe:2.3:a:eterm_project:eterm:0.9.7:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"0.9.7"},{"last_affected":"0.9.7"}],"source":"CPE_STRING"},{"source":"CPE_STRING","vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"33"},{"last_affected":"33"},{"introduced":"34"},{"last_affected":"34"}]},{"extracted_events":[{"introduced":"0.5.4"},{"last_affected":"0.5.4"}],"source":"CPE_STRING","vendor_product":"mrxvt_project:mrxvt","cpes":["cpe:2.3:a:mrxvt_project:mrxvt:0.5.4:*:*:*:*:*:*:*"]},{"cpes":["cpe:2.3:a:rxvt_project:rxvt:2.7.10:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"2.7.10"},{"last_affected":"2.7.10"}],"source":"CPE_STRING","vendor_product":"rxvt_project:rxvt"}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6RFMU5YXXNYYVA7G2DAHRXXHO6JKVFUT/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AO52OLNOOKOCZSJCN3R7Q25XA32BWNWP/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DUV4LDVZVW7KCGPAMFZD4ZJ4FVLPOX4C/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZWGE2RJONBEHSPCBUAW72NTRTIFKZAX/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLPVEPBH37EBR4R54RMC6GD33J37HJXD/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXAKO6N6NKTR6Z6KVAPEXSZQMRU52SGA/"},{"type":"ADVISORY","url":"http://cvs.schmorp.de/rxvt-unicode/Changes?view=log"},{"type":"ADVISORY","url":"https://git.enlightenment.org/apps/eterm.git/log/"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/05/msg00026.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/06/msg00010.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/06/msg00011.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/06/msg00012.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202105-17"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202209-07"},{"type":"ADVISORY","url":"https://sourceforge.net/projects/materm/files/mrxvt%20source/"},{"type":"ADVISORY","url":"https://sourceforge.net/projects/rxvt/files/rxvt-dev/"},{"type":"ADVISORY","url":"https://www.openwall.com/lists/oss-security/2017/05/01/20"},{"type":"FIX","url":"http://cvs.schmorp.de/rxvt-unicode/src/command.C?r1=1.582&r2=1.583"},{"type":"EVIDENCE","url":"https://packetstormsecurity.com/files/162621/rxvt-2.7.0-rxvt-unicode-9.22-Code-Execution.html"},{"type":"EVIDENCE","url":"https://www.openwall.com/lists/oss-security/2021/05/17/1"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/exg/rxvt-unicode","events":[{"introduced":"df03d2705271fdb3eeccad9e191bba45cb872b96"},{"last_affected":"df03d2705271fdb3eeccad9e191bba45cb872b96"}],"database_specific":{"cpe":"cpe:2.3:a:rxvt-unicode_project:rxvt-unicode:9.22:*:*:*:*:*:*:*","extracted_events":[{"introduced":"9.22"},{"last_affected":"9.22"}],"source":"CPE_STRING"}}],"versions":["9.22","rxvt-unicode-9.22"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33477.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}