Upstream information

CVE-2019-8955 at MITRE

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.

SUSE information

Overall state of this security issue: Does not affect SUSE products

CVSS v2 Scores
CVSS detail National Vulnerability Database
Base Score 5
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
CVSS detail National Vulnerability Database
Base Score 7.5
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3
SUSE Bugzilla entry: 1126340 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 12
  • tor >= 0.3.4.11-20.1
 Patchnames:
openSUSE-2019-1107
SUSE Package Hub 15
  • tor >= 0.3.4.11-bp150.3.6.1
 Patchnames:
openSUSE-2019-1107
openSUSE Leap 15.0
  • tor >= 0.3.4.11-lp150.22.1
 Patchnames:
openSUSE-2019-1107
openSUSE Tumbleweed
  • tor >= 0.4.6.7-2.2
 Patchnames:
openSUSE-Tumbleweed-2024-11469

SUSE Timeline for this CVE

CVE page created: Fri Oct 7 12:49:52 2022
CVE page last modified: Sat Nov 1 21:25:42 2025