USN-3962-1: libpng vulnerability

USN-3962-1: libpng vulnerability

libpng1.6 vulnerability

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

  • Ubuntu 18.10
  • Ubuntu 18.04 LTS

Summary

libpng be made to crash or run programs if it opened a specially crafted
file.

Software Description

  • libpng1.6 – PNG (Portable Network Graphics) file library

Details

It was discovered that libpng incorrectly handled certain memory
operations. If a user or automated system were tricked into opening a
specially crafted PNG file, a remote attacker could use this issue to
cause libpng to crash, resulting in a denial of service, or possibly
execute arbitrary code.

Update instructions

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

Ubuntu 18.10
libpng16-161.6.34-2ubuntu0.1
Ubuntu 18.04 LTS
libpng16-161.6.34-1ubuntu0.18.04.2

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

Source: USN-3962-1: libpng vulnerability

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