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VULNERABILITIES

CVE-2019-8955 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00013.html CVE
https://blog.torproject.org/new-releases-tor-0402-alpha-0358-03411-and-03312 CVEVendor Advisory
https://trac.torproject.org/projects/tor/ticket/29168 CVEVendor Advisory
http://www.securityfocus.com/bid/107136 CVEThird Party AdvisoryVDB Entry
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00013.html [email protected]

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-770Allocation of Resources Without Limits or Throttling[email protected]

Affected Products

ProductVersions
torproject tor
< 0.3.3.12
>= 0.3.4.8, < 0.3.4.11
0.3.4.0 alpha-dev
0.3.4.1 alpha
0.3.4.2 alpha

CPE

  • cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*
  • cpe:2.3:a:torproject:tor:0.3.4.0:alpha-dev:*:*:*:*:*:*
  • cpe:2.3:a:torproject:tor:0.3.4.1:alpha:*:*:*:*:*:*
  • cpe:2.3:a:torproject:tor:0.3.4.2:alpha:*:*:*:*:*:*
  • cpe:2.3:a:torproject:tor:0.3.4.3:alpha:*:*:*:*:*:*
  • cpe:2.3:a:torproject:tor:0.3.4.4:rc:*:*:*:*:*:*
  • cpe:2.3:a:torproject:tor:0.3.4.5:rc:*:*:*:*:*:*
  • cpe:2.3:a:torproject:tor:0.3.4.6:rc:*:*:*:*:*:*
  • cpe:2.3:a:torproject:tor:0.3.4.7:rc:*:*:*:*:*:*
  • cpe:2.3:a:torproject:tor:0.3.5.0:alpha-dev:*:*:*:*:*:*
  • cpe:2.3:a:torproject:tor:0.3.5.1:alpha:*:*:*:*:*:*
  • cpe:2.3:a:torproject:tor:0.3.5.2:alpha:*:*:*:*:*:*
  • cpe:2.3:a:torproject:tor:0.3.5.3:alpha:*:*:*:*:*:*
  • cpe:2.3:a:torproject:tor:0.3.5.4:alpha:*:*:*:*:*:*
  • cpe:2.3:a:torproject:tor:0.3.5.5:alpha:*:*:*:*:*:*
  • cpe:2.3:a:torproject:tor:0.3.5.6:rc:*:*:*:*:*:*
  • cpe:2.3:a:torproject:tor:0.3.5.7:*:*:*:*:*:*:*
  • cpe:2.3:a:torproject:tor:0.4.0.1:alpha:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

8 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2019-8955
NVD Published Date:
Feb 21, 2019
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2019-8955 Details - Not Deferred