USN-3916-1: libsolv vulnerabilities

22 March 2019

libsolv vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 18.10


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

Software Description

  • libsolv - A dependency solver using a satisfiablility algorithm


It was discovered that libsolv incorrectly handled certain malformed input. If a user or automated system were tricked into opening a specially crafted file, applications that rely on libsolv could be made to crash, resulting in a denial of service.

Update instructions

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

Ubuntu 18.10
libsolv-tools - 0.6.35-2ubuntu0.18.10.1
libsolv0 - 0.6.35-2ubuntu0.18.10.1
libsolvext0 - 0.6.35-2ubuntu0.18.10.1

To update your system, please follow these instructions:

After a standard system update you need to reboot your computer to make all the necessary changes.