{"id":"CVE-2020-10593","details":"Tor before 0.3.5.10, 0.4.x before 0.4.1.9, and 0.4.2.x before 0.4.2.7 allows remote attackers to cause a Denial of Service (memory leak), aka TROVE-2020-004. This occurs in circpad_setup_machine_on_circ because a circuit-padding machine can be negotiated twice on the same circuit.","modified":"2026-02-24T01:19:06.889532Z","published":"2020-03-23T13:15:13.033Z","related":["MGASA-2020-0165","openSUSE-SU-2020:0406-1","openSUSE-SU-2020:0428-1","openSUSE-SU-2020:1970-1","openSUSE-SU-2024:11469-1"],"references":[{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00045.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00052.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202003-50"},{"type":"ADVISORY","url":"https://trac.torproject.org/projects/tor/ticket/33619"},{"type":"REPORT","url":"https://trac.torproject.org/projects/tor/ticket/33619"},{"type":"ARTICLE","url":"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00045.html"},{"type":"ARTICLE","url":"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00052.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/torproject/tor","events":[{"introduced":"0"},{"fixed":"87fca699578e7190c37e68a290d72b4a77c2be40"},{"introduced":"0"},{"fixed":"93ed011a26757b71630e7b61aee947337f6d4b0b"}]}],"versions":["debian-version-0.0.1+0.0.2pre19-1","debian-version-0.0.1+0.0.2pre20-1","debian-version-0.0.1+0.0.2pre20-2","debian-version-0.0.1+0.0.2pre21-1","debian-version-0.0.1+0.0.2pre22-1","debian-version-0.0.1+0.0.2pre23-1","debian-version-0.0.1+0.0.2pre24-1","debian-version-0.0.1+0.0.2pre25-1","debian-version-0.0.1+0.0.2pre26-1","debian-version-0.0.1+0.0.2pre27-1","debian-version-0.0.2-1","debian-version-0.0.3-1","debian-version-0.0.4-1","debian-version-0.0.5+0.0.6rc2-1","debian-version-0.0.5+0.0.6rc3-1","debian-version-0.0.5+0.0.6rc4-1","debian-version-0.0.5-1","debian-version-0.0.6-1","debian-version-0.0.6.1-1","debian-version-0.0.6.2-1","debian-version-0.0.7+0.0.8rc1-1","debian-version-0.0.7-1","debian-version-0.0.7.1-1","debian-version-0.0.7.2+0.0.8pre2-1","debian-version-0.0.7.2+0.0.8pre3-1","debian-version-0.0.8+0.0.9pre1-1","debian-version-0.0.8+0.0.9pre2-1","debian-version-0.0.8+0.0.9pre3-1","debian-version-0.0.8+0.0.9pre4-1","debian-version-0.0.8+0.0.9pre5-1","debian-version-0.0.8+0.0.9pre5-2","debian-version-0.0.8+0.0.9pre6-1","debian-version-0.0.8+0.0.9rc1-1","debian-version-0.0.8+0.0.9rc2-1","debian-version-0.0.8+0.0.9rc3-1","debian-version-0.0.8+0.0.9rc5-1","debian-version-0.0.8+0.0.9rc6-1","debian-version-0.0.8+0.0.9rc7-1","debian-version-0.0.8-1","debian-version-0.0.9.1-1","debian-version-0.0.9.10-1","debian-version-0.0.9.2-1","debian-version-0.0.9.3-1","debian-version-0.0.9.4-1","debian-version-0.0.9.5-1","debian-version-0.0.9.6-1","debian-version-0.0.9.7-1","debian-version-0.0.9.8-1","debian-version-0.0.9.9-1","debian-version-0.1.0.1-rc-cvs-200503310807-1","debian-version-0.1.0.1-rc-cvs-200504010815-1","debian-version-0.1.0.10-0-pre.1","debian-version-0.1.0.11-0-pre.1","debian-version-0.1.0.11-1","debian-version-0.1.0.12-1","debian-version-0.1.0.13-1","debian-version-0.1.0.14-1","debian-version-0.1.0.14-2","debian-version-0.1.0.15-1","debian-version-0.1.0.16-1","debian-version-0.1.0.17-1","debian-version-0.1.0.2-rc-200504011500-1","debian-version-0.1.0.2-rc-200504011640-1","debian-version-0.1.0.2-rc-cvs-200504031300-1","debian-version-0.1.0.2-rc-cvs-200504061620-1","debian-version-0.1.0.2-rc-cvs-200504062112-1","debian-version-0.1.0.3-rc-200504080730-1","debian-version-0.1.0.3-rc-200504231430-1","debian-version-0.1.0.3-rc-cvs-200504231630-1","debian-version-0.1.0.4-rc-200504232130-1","debian-version-0.1.0.5-rc-200504272000-1","debian-version-0.1.0.7-rc-200505171420-1","debian-version-0.1.0.8-rc-1","debian-version-0.1.0.9-rc-1","debian-version-0.1.1.10-alpha-1","debian-version-0.1.1.11-alpha-1","debian-version-0.1.1.12-alpha-1","debian-version-0.1.1.13-alpha-1","debian-version-0.1.1.14-alpha-1","debian-version-0.1.1.15-rc-1","debian-version-0.1.1.16-rc-1","debian-version-0.1.1.17-rc-1","debian-version-0.1.1.18-rc-1","debian-version-0.1.1.19-rc-1","debian-version-0.1.1.20-1","debian-version-0.1.1.21-1","debian-version-0.1.1.22-1","debian-version-0.1.1.5-alpha-1","debian-version-0.1.1.6-alpha-1","debian-version-0.1.1.6-alpha-2","debian-version-0.1.1.7-alpha-1","debian-version-0.1.1.8-alpha-1","debian-version-0.1.1.9-alpha-1","tor-0.0.2","tor-0.0.2pre13","tor-0.0.2pre14","tor-0.0.2pre16","tor-0.0.2pre17","tor-0.0.2pre18","tor-0.0.2pre19","tor-0.0.2pre20","tor-0.0.2pre22","tor-0.0.2pre23","tor-0.0.2pre24","tor-0.0.2pre25","tor-0.0.2pre27","tor-0.0.2pre8","tor-0.0.3","tor-0.0.4","tor-0.0.5","tor-0.0.6","tor-0.0.6.1","tor-0.0.6.2","tor-0.0.6incompat-merged","tor-0.0.7","tor-0.0.7.1","tor-0.0.7.2","tor-0.0.7rc1","tor-0.0.8","tor-0.0.8.1","tor-0.0.8pre1","tor-0.0.8pre2","tor-0.0.8pre3","tor-0.0.8rc1","tor-0.0.8rc2","tor-0.0.9","tor-0.0.9.1","tor-0.0.9.10","tor-0.0.9.2","tor-0.0.9.3","tor-0.0.9.5","tor-0.0.9.6","tor-0.0.9.7","tor-0.0.9.9","tor-0.0.9pre1","tor-0.0.9pre2","tor-0.0.9pre3","tor-0.0.9pre4","tor-0.0.9pre5","tor-0.0.9pre6","tor-0.0.9rc1","tor-0.0.9rc2","tor-0.0.9rc3","tor-0.0.9rc4","tor-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