Upstream information

CVE-2019-11922 at MITRE


A race condition in the one-pass compression functions of Zstandard prior to version 1.3.8 could allow an attacker to write bytes out of bounds if an output buffer smaller than the recommended size was used.

SUSE information

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

This issue is currently rated as having important severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 6.8
Vector AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database
Base Score 8.1
Vector AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Access Vector Network
Access Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
SUSE Bugzilla entry: 1142941 [NEW]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
openSUSE Leap 15.0
  • libzstd-devel >= 1.4.2-lp150.2.3.1
  • libzstd-devel-static >= 1.4.2-lp150.2.3.1
  • libzstd1 >= 1.4.2-lp150.2.3.1
  • libzstd1-debuginfo >= 1.4.2-lp150.2.3.1
  • zstd >= 1.4.2-lp150.2.3.1
  • zstd-debuginfo >= 1.4.2-lp150.2.3.1
  • zstd-debugsource >= 1.4.2-lp150.2.3.1
openSUSE Leap 15.1
  • libzstd-devel >= 1.4.2-lp151.3.3.1
  • libzstd-devel-static >= 1.4.2-lp151.3.3.1
  • libzstd1 >= 1.4.2-lp151.3.3.1
  • libzstd1-32bit >= 1.4.2-lp151.3.3.1
  • libzstd1-32bit-debuginfo >= 1.4.2-lp151.3.3.1
  • libzstd1-debuginfo >= 1.4.2-lp151.3.3.1
  • zstd >= 1.4.2-lp151.3.3.1
  • zstd-debuginfo >= 1.4.2-lp151.3.3.1
  • zstd-debugsource >= 1.4.2-lp151.3.3.1