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USN-2951-1: OptiPNG vulnerabilities

18 April 2016

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

Releases

Packages

  • optipng - advanced PNG (Portable Network Graphics) optimizer

Details

Gustavo Grieco 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. (CVE-2015-7801)

Gustavo Grieco 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. (CVE-2015-7802)

Hans Jerry Illikainen 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. (CVE-2016-2191)

Henri Salo 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. (CVE-2016-3981)

Henri Salo 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. (CVE-2016-3982)

Update instructions

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

Ubuntu 15.10
Ubuntu 14.04
Ubuntu 12.04

In general, a standard system update will make all the necessary changes.