{"id":"CVE-2017-14121","aliases":["DEBIAN-CVE-2017-14121","DLA-2567-1","EUVD-2017-5633","GHSA-r9qm-gm5q-gx7p","UBUNTU-CVE-2017-14121"],"status":"published","title":"The DecodeNumber function in unrarlib.c in unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from...","description":"The DecodeNumber function in unrarlib.c in unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a NULL pointer dereference flaw triggered by a crafted RAR archive. NOTE: this may be the same as one of the several test cases in the CVE-2017-11189 references.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01118,"percentile":0.66325,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2017-09-03T20:00:00Z","modified":"2026-09-01T20:03:43Z","fixes":[{"ecosystem":"Debian:12","package":"unrar-free","fixed_in":["1:0.0.1+cvs20140707-4"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"unrar-free","fixed_in":["1:0.0.1+cvs20140707-4"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"unrar-free","fixed_in":["1:0.0.1+cvs20140707-4"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:14.04:LTS","package":"unrar-free","fixed_in":["1:0.0.1+cvs20071127-2+deb7u1ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"unrar-free","fixed_in":["1:0.0.1+cvs20140707-4~build0.16.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"unrar-free","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.0.1+cvs20140707-4"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"unrar-free","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.0.1+cvs20140707-4"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"unrar-free","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.0.1+cvs20140707-4"}]}]},{"source":"osv","ecosystem":"Debian:9","package":"unrar-free","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.0.1+cvs20140707-1+deb9u1"}]}],"versions":["1:0.0.1+cvs20140707-1"],"bundled":3},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"unrar-free","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.0.1+cvs20071127-2+deb7u1ubuntu0.1~esm1"}]}],"versions":["1:0.0.1+cvs20071127-2","1:0.0.1+cvs20071127-2+deb7u1build0.14.04.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"unrar-free","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.0.1+cvs20140707-4~build0.16.04.1"}]}],"versions":["1:0.0.1+cvs20140707-1"]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"rarlab","product":"unrar"}],"references":[{"url":"https://bugs.debian.org/874061","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"http://www.openwall.com/lists/oss-security/2017/08/20/1","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory","advisory","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/02/msg00026.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-14121"},{"url":"https://github.com/advisories/GHSA-r9qm-gm5q-gx7p"},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-14121","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2017-14121","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-14121","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-14121","description":"The DecodeNumber function in unrarlib.c in unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a NULL pointer dereference flaw triggered by a crafted RAR archive. 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