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
- libpng16-16 – 1.6.34-2ubuntu0.1
- Ubuntu 18.04 LTS
- libpng16-16 – 1.6.34-1ubuntu0.18.04.2
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
