{"id":"UBUNTU-CVE-2015-2929","details":"The Hidden Service (HS) client implementation in Tor before 0.2.4.27, 0.2.5.x before 0.2.5.12, and 0.2.6.x before 0.2.6.7 allows remote servers to cause a denial of service (assertion failure and application exit) via a malformed HS descriptor.","modified":"2025-09-08T16:43:21Z","published":"2020-01-24T18:15:00Z","upstream":["CVE-2015-2929"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-2929"},{"type":"REPORT","url":"https://trac.torproject.org/projects/tor/ticket/15601"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2015/04/06/5"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-2929"}],"affected":[{"package":{"name":"tor","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/tor@0.2.4.27-1build0.14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.4.27-1build0.14.04.1"}]}],"versions":["0.2.3.25-1","0.2.4.19-1","0.2.4.20-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.2.4.27-1build0.14.04.1","binary_name":"tor"},{"binary_version":"0.2.4.27-1build0.14.04.1","binary_name":"tor-geoipdb"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-2929.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}