Upstream information

CVE-2020-11653 at MITRE


An issue was discovered in Varnish Cache before 6.0.6 LTS, 6.1.x and 6.2.x before 6.2.3, and 6.3.x before 6.3.2. It occurs when communication with a TLS termination proxy uses PROXY version 2. There can be an assertion failure and daemon restart, which causes a performance loss.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores
  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
  National Vulnerability Database
Base Score 7.5
Vector CVSS:3.1/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 3.1
SUSE Bugzilla entry: 1169039 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Liberty Linux 8
  • varnish >= 6.0.6-2.module+el8.3.0+6843+b3b42fcc
  • varnish-devel >= 6.0.6-2.module+el8.3.0+6843+b3b42fcc
  • varnish-docs >= 6.0.6-2.module+el8.3.0+6843+b3b42fcc
  • varnish-modules >= 0.15.0-5.module+el8.3.0+6843+b3b42fcc
SUSE Package Hub 15 SP1
  • libvarnishapi2 >= 6.2.1-bp151.4.6.1
  • varnish >= 6.2.1-bp151.4.6.1
  • varnish-devel >= 6.2.1-bp151.4.6.1
openSUSE Leap 15.1
  • libvarnishapi2 >= 6.2.1-lp151.3.6.1
  • varnish >= 6.2.1-lp151.3.6.1
  • varnish-devel >= 6.2.1-lp151.3.6.1

SUSE Timeline for this CVE

CVE page created: Thu Apr 9 09:10:58 2020
CVE page last modified: Thu Dec 7 13:27:51 2023