SB2019082110 - Ubuntu update for Zstandard



SB2019082110 - Ubuntu update for Zstandard

Published: August 21, 2019

Security Bulletin ID SB2019082110
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Race condition (CVE-ID: CVE-2019-11922)

The vulnerability allows an attacker to execute arbitrary code on the target system.

The vulnerability exists due to a race condition in the one-pass compression functions. A remote attacker can exploit the race and write bytes out of bounds if an output buffer smaller than the recommended size was used.

Successful exploitation of the vulnerability may allow an attacker to execute arbitrary code on the target system.


Remediation

Install update from vendor's website.