{"id":"CVE-2019-8955","details":"In Tor before 0.3.3.12, 0.3.4.x before 0.3.4.11, 0.3.5.x before 0.3.5.8, and 0.4.x before 0.4.0.2-alpha, remote denial of service against Tor clients and relays can occur via memory exhaustion in the KIST cell scheduler.","modified":"2026-02-24T01:18:57.807053Z","published":"2019-02-21T23:29:00.267Z","related":["openSUSE-SU-2019:1107-1","openSUSE-SU-2024:11469-1"],"references":[{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00013.html"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/107136"},{"type":"ADVISORY","url":"https://blog.torproject.org/new-releases-tor-0402-alpha-0358-03411-and-03312"},{"type":"ADVISORY","url":"https://trac.torproject.org/projects/tor/ticket/29168"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.torproject.org/tpo/core/tor","events":[{"introduced":"0"},{"fixed":"f3e21c27631ee40603c1cab01b8e6b495689b69c"},{"introduced":"da95b91355248ad8f3a6aa6733cc6d24915f59ce"},{"fixed":"4fd31340f3355342deebf49b586ae38bc2e9c8fe"}]}],"versions":["tor-0.3.4.10","tor-0.3.4.8","tor-0.3.4.9"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-8955.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}