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USN-4851-1: Libsolv vulnerabilities

15 March 2021

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

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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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 18.04
Ubuntu 16.04

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

Related notices

  • USN-3916-1: libsolv-tools, libsolvext0, libsolv0, libsolv