[ GLSA 201801-02 ] OptiPNG

[GLSA]

Gentoo Linux Security Advisory

Title: OptiPNG: Multiple vulnerabilities (GLSA 201801-02)
Severity: normal
Exploitable: remote
Date: 2018-01-07
Bug(s): #637936, #639690
ID: 201801-02

Synopsis

Multiple vulnerabilities have been found in OptiPNG, the worst of
which may allow execution of arbitrary code.


Background

OptiPNG is a PNG optimizer that re-compresses image files to a smaller
size, without losing any information.


Affected Packages

Package: media-gfx/optipng
Vulnerable: < 0.7.6-r2
Unaffected: >= 0.7.6-r2
Architectures: All supported architectures


Description

Multiple vulnerabilities have been discovered in OptiPNG. Please review
the referenced CVE identifiers for details.


Impact

A remote attacker could entice a user to process a specially crafted
image file, possibly resulting in execution of arbitrary code with the
privileges of the process or a Denial of Service condition.


Workaround

There is no known workaround at this time.

Resolution

All OptiPNG users should upgrade to the latest version: