USN-3495-1: OptiPNG vulnerability
Ubuntu Security Notice USN-3495-1
27th November, 2017
optipng vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 17.10
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
OptiPNG could be made to crash or run programs as your login if it opened a
specially crafted file.
Software description
- optipng
– advanced PNG (Portable Network Graphics) optimizer
Details
It was discovered that OptiPNG incorrectly handled memory. A remote
attacker could use this issue with a specially crafted image file to cause
OptiPNG 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 version:
- Ubuntu 17.10:
-
optipng
0.7.6-1ubuntu0.17.10.1
- Ubuntu 17.04:
-
optipng
0.7.6-1ubuntu0.17.04.1
- Ubuntu 16.04 LTS:
-
optipng
0.7.6-1ubuntu0.16.04.1
- Ubuntu 14.04 LTS:
-
optipng
0.6.4-1ubuntu0.14.04.2
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-3495-1: OptiPNG vulnerability
