Debian Security Advisory
DLA-1196-1 optipng -- LTS security update
- Date Reported:
- 30 Nov 2017
- Affected Packages:
- Security database references:
- In the Debian bugtracking system: Bug 878839.
In Mitre's CVE dictionary: CVE-2017-16938.
- More information:
optipng, an advanced PNG (Portable Network Graphics) optimizer, has been found vulnerable to a buffer overflow which allows remote attackers to cause a denial-of-service attack or other unspecified impact with a maliciously crafted GIF format file, related to an uncontrolled loop in the LZWReadByte function of the gifread.c file.
For Debian 7
Wheezy, these problems have been fixed in version 0.6.4-1+deb7u4.
We recommend that you upgrade your optipng packages.
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS