Ubuntu Security Notice USN-2767-1
13th October, 2015
gdk-pixbuf vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 15.04
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
GDK-PixBuf could be made to crash or run programs as your login if it
opened a specially crafted file.
Software description
- gdk-pixbuf
– GDK Pixbuf library
Details
Gustavo Grieco discovered that the GDK-PixBuf library did not properly
handle scaling tga image files, leading to a heap overflow. If a
user or automated system were tricked into opening a tga image file,
a remote attacker could use this flaw to cause GDK-PixBuf to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2015-7673)
Gustavo Grieco discovered that the GDK-PixBuf library contained
an integer overflow when handling certain GIF images. If a user
or automated system were tricked into opening a GIF image file,
a remote attacker could use this flaw to cause GDK-PixBuf to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2015-7674)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 15.04:
-
libgdk-pixbuf2.0-0
2.31.3-1ubuntu0.2
- Ubuntu 14.04 LTS:
-
libgdk-pixbuf2.0-0
2.30.7-0ubuntu1.2
- Ubuntu 12.04 LTS:
-
libgdk-pixbuf2.0-0
2.26.1-1ubuntu1.3
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart your session to make
all the necessary changes.