{"id":"CVE-2018-10756","aliases":["DEBIAN-CVE-2018-10756","DLA-2218-1","DLA-2305-1","EUVD-2018-2826","GHSA-7mv4-3q74-r9q2","MGASA-2020-0235","UBUNTU-CVE-2018-10756"],"status":"published","title":"Use-after-free in libtransmission/variant.c in Transmission before 3.00 allows remote attackers...","description":"Use-after-free in libtransmission/variant.c in Transmission before 3.00 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted torrent file.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02698,"percentile":0.86017,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2020-05-15T15:56:21Z","modified":"2026-10-23T18:02:56Z","fixes":[{"ecosystem":"Debian:12","package":"transmission","fixed_in":["3.00-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"transmission","fixed_in":["3.00-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"transmission","fixed_in":["3.00-1"],"sources":["osv"]},{"ecosystem":"Debian:8","package":"transmission","fixed_in":["2.84-0.2+deb8u2"],"sources":["osv"]},{"ecosystem":"Debian:9","package":"transmission","fixed_in":["2.92-2+deb9u2"],"sources":["osv"]},{"ecosystem":"Mageia:7","package":"transmission","fixed_in":["2.94-4.1.mga7"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"transmission","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.00-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"transmission","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.00-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"transmission","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.00-1"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"transmission","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.84-0.2+deb8u2"}]}],"versions":["2.84-0.2","2.84-0.2+deb8u1"]},{"source":"osv","ecosystem":"Debian:9","package":"transmission","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.92-2+deb9u2"}]}],"versions":["2.92-2","2.92-2+deb9u1"]},{"source":"osv","ecosystem":"Mageia:7","package":"transmission","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.94-4.1.mga7"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"transmission","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.84-1ubuntu1","2.84-2","2.84-3","2.84-3ubuntu1","2.84-3ubuntu2","2.84-3ubuntu3","2.84-3ubuntu3.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"transmission","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.92-2ubuntu3","2.92-3ubuntu1","2.92-3ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"transmission","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.94-2ubuntu1","2.94-2ubuntu2","2.94-2ubuntu3"]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"fedoraproject","product":"fedora"},{"vendor":"transmissionbt","product":"transmission"}],"references":[{"url":"https://github.com/transmission/transmission/commit/2123adf8e5e1c2b48791f9d22fc8c747e974180e","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"https://tomrichards.net/2020/05/cve-2018-10756-transmission/","tags":["x_refsource_MISC","x_transferred","Exploit","Mitigation","Vendor Advisory","evidence","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OVAG2HNKNRLWOACFN5F2ANJD2SQ53WI7/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.debian.org/debian-lts-announce/2020/05/msg00022.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CD3GLZ5URIK74RCGLSH72IVLDIJJMLQC/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://security.gentoo.org/glsa/202007-07","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Third Party Advisory","advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2020/08/msg00001.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-10756"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CD3GLZ5URIK74RCGLSH72IVLDIJJMLQC/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OVAG2HNKNRLWOACFN5F2ANJD2SQ53WI7/"},{"url":"https://github.com/advisories/GHSA-7mv4-3q74-r9q2"},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-10756","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2020-0235.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=26656","tags":["report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/OVAG2HNKNRLWOACFN5F2ANJD2SQ53WI7/","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2018-10756","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-10756","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-10756","description":"Use-after-free in libtransmission/variant.c in Transmission before 3.00 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted torrent file.","status":"published","published":"2020-05-15T15:56:21Z","modified":"2024-08-05T07:46:46.883Z","updated_at":"2026-11-02T14:35:01.952568Z"}],"euvd":[{"id":"EUVD-2018-2826","description":"Use-after-free in libtransmission/variant.c in Transmission before 3.00 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted torrent file.","status":"published","published":"2020-05-15T15:56:21Z","modified":"2024-08-05T07:46:46Z","updated_at":"2026-11-03T02:39:58.002149Z"}],"ghsa":[{"id":"GHSA-7mv4-3q74-r9q2","title":"Use-after-free in libtransmission/variant.c in Transmission before 3.00 allows remote attackers...","description":"Use-after-free in libtransmission/variant.c in Transmission before 3.00 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted torrent file.","status":"published","published":"2022-05-24T17:17:57Z","modified":"2023-01-29T05:02:41Z","updated_at":"2026-11-02T14:45:09.006349Z"}],"nvd":[{"id":"CVE-2018-10756","description":"Use-after-free in libtransmission/variant.c in Transmission before 3.00 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted torrent file.","status":"published","published":"2020-05-15T16:15:11.437Z","modified":"2026-06-17T01:34:37.84Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:05:00.03074Z"}],"osv":[{"id":"CVE-2018-10756","description":"Use-after-free in libtransmission/variant.c in Transmission before 3.00 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted torrent file.","status":"published","published":"2020-05-15T16:15:11.437Z","modified":"2026-10-20T13:28:30.635719935Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:07.641418Z"},{"id":"DEBIAN-CVE-2018-10756","description":"Use-after-free in libtransmission/variant.c in Transmission before 3.00 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted torrent file.","status":"published","published":"2020-05-15T16:15:11.437Z","modified":"2026-10-23T18:02:56.698786262Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:29.988046Z"},{"id":"UBUNTU-CVE-2018-10756","description":"Use-after-free in libtransmission/variant.c in Transmission before 3.00 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted torrent file.","status":"published","published":"2020-05-15T16:15:00Z","modified":"2025-10-24T04:47:00Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:16.544091Z"},{"id":"DLA-2218-1","title":"transmission - security update","status":"published","published":"2020-05-24T00:00:00Z","modified":"2026-03-09T01:21:46.56374Z","updated_at":"2026-11-02T15:46:10.227108Z"},{"id":"DLA-2305-1","title":"transmission - security update","status":"published","published":"2020-08-01T00:00:00Z","modified":"2026-03-09T01:23:25.154452Z","updated_at":"2026-11-02T15:46:10.227108Z"},{"id":"MGASA-2020-0235","title":"Updated transmission packages fix security vulnerability","description":"Updated transmission packages fix security vulnerability:\n\nUse-after-free in libtransmission/variant.c in Transmission\nbefore 3.00 allows remote attackers to cause a denial of service\n(crash) or possibly execute arbitrary code via a crafted torrent\nfile (CVE-2018-10756).\n","status":"published","published":"2020-05-27T09:52:46Z","modified":"2026-04-16T04:40:43.680508021Z","updated_at":"2026-11-02T15:49:41.151324Z"}]}}