{"id":"CVE-2019-25586","aliases":["DEBIAN-CVE-2019-25586","EUVD-2019-19914","GHSA-rmf4-rvgx-3jfq","PYSEC-2026-39","UBUNTU-CVE-2019-25586"],"status":"published","title":"Deluge 1.3.15 Denial of Service via URL Field","description":"Deluge 1.3.15 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the URL field. Attackers can paste a buffer of 5000 characters into the 'From URL' field during torrent addition to trigger an application crash.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00185,"percentile":0.0813,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-466"],"published":"2026-03-22T00:11:08Z","modified":"2026-11-03T21:17:02Z","affected":[{"source":"osv","ecosystem":"PyPI","package":"deluge","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.3.15"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"deluge","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.12-1ubuntu1","1.3.12-1ubuntu1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"deluge","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.15-2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"deluge","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.3-1","2.0.3-1.1","2.0.3-2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"deluge","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.3-3.1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"deluge","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.2~dev0+20230529-4","2.1.2~dev0+20230827-1","2.1.2~dev0+20230918-1","2.1.2~dev0+20231127-1","2.1.2~dev0+20240121-1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"deluge","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.2~dev0+20240910-5","2.2.0-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"deluge","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.1~dev0+20250824-3","2.2.1~dev0+20250824-4","2.2.1~dev0+20260307-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"deluge","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.0-1","2.2.0-2","2.2.0-3","2.2.1~dev0+20250824-1","2.2.1~dev0+20250824-2","2.2.1~dev0+20250824-3"]}],"products":[{"vendor":"deluge-torrent","product":"deluge"},{"vendor":"dev","product":"deluge"}],"references":[{"url":"https://www.exploit-db.com/exploits/46883","tags":["exploit","Exploit","Third Party Advisory","VDB Entry","evidence","report"]},{"url":"https://dev.deluge-torrent.org/","tags":["product","Product","web","report"]},{"url":"http://download.deluge-torrent.org/windows/deluge-1.3.15-win32-py2.7.exe","tags":["product","Product","web","report"]},{"url":"https://www.vulncheck.com/advisories/deluge-denial-of-service-via-url-field","tags":["third-party-advisory","Third Party Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-25586"},{"url":"https://dev.deluge-torrent.org"},{"url":"https://github.com/advisories/GHSA-rmf4-rvgx-3jfq"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-25586","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-25586","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-25586","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-25586","title":"Deluge 1.3.15 Denial of Service via URL Field","description":"Deluge 1.3.15 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the URL field. Attackers can paste a buffer of 5000 characters into the 'From URL' field during torrent addition to trigger an application crash.","status":"published","published":"2026-03-22T00:11:08.129Z","modified":"2026-03-23T16:31:56.682Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-466"],"updated_at":"2026-11-02T14:20:19.737165Z"}],"euvd":[{"id":"EUVD-2019-19914","description":"Deluge 1.3.15 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the URL field. 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Attackers can paste a buffer of 5000 characters into the 'From URL' field during torrent addition to trigger an application crash.","status":"withdrawn","published":"2026-03-22T01:16:56.697Z","modified":"2026-04-04T20:00:43.771244Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:32.221385Z"},{"id":"PYSEC-2026-39","description":"Deluge 1.3.15 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the URL field. 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