{"id":"CVE-2019-5152","aliases":["DEBIAN-CVE-2019-5152","EUVD-2019-14757","GHSA-pmr7-f238-jxqj","UBUNTU-CVE-2019-5152"],"status":"published","title":"An exploitable information disclosure vulnerability exists in the network packet handling...","description":"An exploitable information disclosure vulnerability exists in the network packet handling functionality of Shadowsocks-libev 3.3.2. When utilizing a Stream Cipher, a specially crafted set of network packets can cause an outbound connection from the server, resulting in information disclosure. An attacker can send arbitrary packets to trigger this vulnerability.","severity":{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01391,"percentile":0.72525,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2019-12-18T14:31:56Z","modified":"2026-10-24T10:30:20Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"shadowsocks-libev","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.5+ds-10","3.3.5+ds-11","3.3.5+ds-12","3.3.5+ds-13","3.3.5+ds-14","3.3.5+ds-15","3.3.5+ds-16","3.3.6+ds-1","3.3.6+ds-2","3.3.6+ds-3"]},{"source":"osv","ecosystem":"Debian:13","package":"shadowsocks-libev","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.5+ds-16","3.3.6+ds-1","3.3.6+ds-2","3.3.6+ds-3"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"shadowsocks-libev","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.8+ds-2","3.1.0+ds-3","3.1.0+ds-4","3.1.0+ds-5","3.1.1+ds-1","3.1.1+ds-2","3.1.1+ds-3","3.1.3+ds-1ubuntu1","3.1.3+ds-1ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"shadowsocks-libev","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.1+ds-1","3.3.2+ds-1","3.3.3+ds-1","3.3.3+ds-3","3.3.4+ds-1","3.3.4+ds-1ubuntu1","3.3.4+ds-2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"shadowsocks-libev","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.5+ds-4","3.3.5+ds-6","3.3.5+ds-7","3.3.5+ds-7build1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"shadowsocks-libev","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.5+ds-10","3.3.5+ds-10build1","3.3.5+ds-10build2","3.3.5+ds-10build3"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"shadowsocks-libev","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.5+ds-16"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"shadowsocks-libev","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.5+ds-16build1","3.3.6+ds-3ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"shadowsocks-libev","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.5+ds-16","3.3.5+ds-16build1"]}],"products":[{"vendor":"shadowsocks","product":"shadowsocks-libev"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2019-0942","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-5152"},{"url":"https://github.com/advisories/GHSA-pmr7-f238-jxqj"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-5152","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-5152","tags":["report"]},{"url":"https://github.com/shadowsocks/shadowsocks-libev/issues/2525","tags":["report"]},{"url":"https://github.com/shadowsocks/shadowsocks-libev/issues/2525#issuecomment-557551274","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-5152","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-5152","description":"An exploitable information disclosure vulnerability exists in the network packet handling functionality of Shadowsocks-libev 3.3.2. When utilizing a Stream Cipher, a specially crafted set of network packets can cause an outbound connection from the server, resulting in information disclosure. An attacker can send arbitrary packets to trigger this vulnerability.","status":"published","published":"2019-12-18T14:31:56Z","modified":"2024-08-04T19:47:56.594Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:20:18.411291Z"}],"euvd":[{"id":"EUVD-2019-14757","description":"An exploitable information disclosure vulnerability exists in the network packet handling functionality of Shadowsocks-libev 3.3.2. When utilizing a Stream Cipher, a specially crafted set of network packets can cause an outbound connection from the server, resulting in information disclosure. An attacker can send arbitrary packets to trigger this vulnerability.","status":"published","published":"2019-12-18T14:31:56Z","modified":"2024-08-04T19:47:56Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-03T03:06:53.453369Z"}],"ghsa":[{"id":"GHSA-pmr7-f238-jxqj","title":"An exploitable information disclosure vulnerability exists in the network packet handling...","description":"An exploitable information disclosure vulnerability exists in the network packet handling functionality of Shadowsocks-libev 3.3.2. When utilizing a Stream Cipher, a specially crafted set of network packets can cause an outbound connection from the server, resulting in information disclosure. An attacker can send arbitrary packets to trigger this vulnerability.","status":"published","published":"2022-05-24T17:04:05Z","modified":"2023-01-29T05:00:45Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:44:39.355024Z"}],"nvd":[{"id":"CVE-2019-5152","description":"An exploitable information disclosure vulnerability exists in the network packet handling functionality of Shadowsocks-libev 3.3.2. When utilizing a Stream Cipher, a specially crafted set of network packets can cause an outbound connection from the server, resulting in information disclosure. An attacker can send arbitrary packets to trigger this vulnerability.","status":"published","published":"2019-12-18T15:15:11.333Z","modified":"2026-06-17T02:37:13.41Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"},{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:05:40.258829Z"}],"osv":[{"id":"CVE-2019-5152","description":"An exploitable information disclosure vulnerability exists in the network packet handling functionality of Shadowsocks-libev 3.3.2. When utilizing a Stream Cipher, a specially crafted set of network packets can cause an outbound connection from the server, resulting in information disclosure. An attacker can send arbitrary packets to trigger this vulnerability.","status":"published","published":"2019-12-18T15:15:11.333Z","modified":"2026-10-24T10:30:20.906661Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:12.675558Z"},{"id":"DEBIAN-CVE-2019-5152","description":"An exploitable information disclosure vulnerability exists in the network packet handling functionality of Shadowsocks-libev 3.3.2. When utilizing a Stream Cipher, a specially crafted set of network packets can cause an outbound connection from the server, resulting in information disclosure. An attacker can send arbitrary packets to trigger this vulnerability.","status":"published","published":"2019-12-18T15:15:11.333Z","modified":"2026-09-21T07:03:19.795626155Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:32.221385Z"},{"id":"UBUNTU-CVE-2019-5152","description":"An exploitable information disclosure vulnerability exists in the network packet handling functionality of Shadowsocks-libev 3.3.2. When utilizing a Stream Cipher, a specially crafted set of network packets can cause an outbound connection from the server, resulting in information disclosure. An attacker can send arbitrary packets to trigger this vulnerability.","status":"published","published":"2019-12-18T15:15:00Z","modified":"2026-10-17T12:55:50.18833729Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:54:21.741399Z"}]}}