CVEvulnerability

CVE-2019-8955

7.5 HIGH Published 2019-02-21 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-02-21
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-770

Description

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.

Affected configurations

• torproject tor (< 0.3.3.12) • torproject tor (>= 0.3.4.8 < 0.3.4.11) • torproject tor 0.3.4.0 • torproject tor 0.3.4.1 • torproject tor 0.3.4.2 • torproject tor 0.3.4.3 • torproject tor 0.3.4.4 • torproject tor 0.3.4.5 • torproject tor 0.3.4.6 • torproject tor 0.3.4.7 • torproject tor 0.3.5.0 • torproject tor 0.3.5.1 • torproject tor 0.3.5.2 • torproject tor 0.3.5.3 • torproject tor 0.3.5.4 • torproject tor 0.3.5.5 • torproject tor 0.3.5.6 • torproject tor 0.3.5.7 • torproject tor 0.4.0.1

Related

Weakness · CWE (1)

  • CWE-770 Allocation of Resources Without Limits or Throttling weakness

References