SB2023050126 - Ubuntu update for libzen



SB2023050126 - Ubuntu update for libzen

Published: May 1, 2023

Security Bulletin ID SB2023050126
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2020-36646)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the Ztring::Date_From_Seconds_1970_Local() function of the file Source/ZenLib/Ztring.cpp. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.