1. Ubuntu Security Notices
  2. USN-4851-1

USN-4851-1: Libsolv vulnerabilities

Publication date

15 March 2021

Overview

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

Releases

Packages

  • libsolv - Dependency solver using a satisfiability algorithm

Details

It was discovered that Libsolv incorrectly handled certain malformed input.
An attacker could use this issue to cause Libsolv to crash, resulting in a
denial of service.

It was discovered that Libsolv incorrectly handled certain malformed input.
An attacker could use this issue to cause Libsolv to crash, resulting in a
denial of service.

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
18.04 bionic libsolvext0 –  0.6.30-1ubuntu0.1~esm1  
libsolv0 –  0.6.30-1ubuntu0.1~esm1  
16.04 xenial libsolvext0 –  0.6.11-1.1ubuntu0.1~esm1  
libsolv0 –  0.6.11-1.1ubuntu0.1~esm1  

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References

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