Published: 19/03/2021 Updated: 07/11/2023

CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10

CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9

VMScore: 445

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Tor prior to 0.4.5.7 allows a remote participant in the Tor directory protocol to exhaust CPU resources on a target, aka TROVE-2021-001.

Vulnerable Product	Search on Vulmon	Subscribe to Product
torproject tor 0.4.4.1
torproject tor 0.4.4.0
torproject tor
torproject tor 0.4.4.2
torproject tor 0.4.4.3
fedoraproject fedora 33

Two vulnerabilities were discovered in Tor, a connection-based low-latency anonymous communication system, which could lead to excessive CPU usage or cause a directory authority to crash For the stable distribution (buster), these problems have been fixed in version 03514-1 We recommend that you upgrade your tor packages For the detailed secu ...

A security issue was found in Tor before versions 0457, 0448 and 03514 The dump_desc() function was called incorrectly in several places in a way that could lead to excessive CPU usage ...

CWE-400 https://gitlab.torproject.org/tpo/core/tor/-/issues/40304 https://blog.torproject.org/node/2009 https://security.gentoo.org/glsa/202107-25 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPDXB2GZHG3VNOTWSXQ3QZVHNV76WCU5/https://nvd.nist.gov https://www.debian.org/security/2021/dsa-4871

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CVE-2021-28089

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