CVE-2020-10593

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-401

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00045.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00052.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/202003-50Third Party Advisory
https://trac.torproject.org/projects/tor/ticket/33619Issue Tracking, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00045.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00052.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/202003-50Third Party Advisory
https://trac.torproject.org/projects/tor/ticket/33619Issue Tracking, Third Party Advisory

Timeline

Published: Mar 23, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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