1. Ubuntu Security Notices
  2. USN-6048-1

USN-6048-1: ZenLib vulnerability

Publication date

28 April 2023

Overview

ZenLib could be made to crash if it received specially crafted input.

Releases

Packages

  • libzen - ZenLib C++ utility library -- development files

Details

It was discovered that ZenLib doesn’t check the return value of a specific
operation before using it. An attacker could use a specially crafted input
to crash programs using the library.

It was discovered that ZenLib doesn’t check the return value of a specific
operation before using it. An attacker could use a specially crafted input
to crash programs using the library.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
20.04 focal libzen-dev –  0.4.37-1ubuntu0.20.04.1
libzen0v5 –  0.4.37-1ubuntu0.20.04.1
18.04 bionic libzen-dev –  0.4.37-1ubuntu0.18.04.1
libzen0v5 –  0.4.37-1ubuntu0.18.04.1
16.04 xenial libzen-dev –  0.4.32-1ubuntu0.16.04.1+esm1  
libzen0v5 –  0.4.32-1ubuntu0.16.04.1+esm1  
14.04 trusty libzen-dev –  0.4.29-1ubuntu0.1~esm1  
libzen0 –  0.4.29-1ubuntu0.1~esm1  

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References

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