USN-2767-1: GDK-PixBuf vulnerabilities

13 October 2015

GDK-PixBuf could be made to crash or run programs as your login if it opened a specially crafted file.

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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)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 15.04
Ubuntu 14.04
Ubuntu 12.04

After a standard system update you need to restart your session to make
all the necessary changes.

References

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