libpng: Multiple vulnerabilities — GLSA 201908-02

Multiple vulnerabilities have been found in libpng, the worst of which could result in a Denial of Service condition.

Affected packages

media-libs/libpng on all architectures
Affected versions < 1.6.37
Unaffected versions >= 1.6.37

Background

libpng is a standard library used to process PNG (Portable Network Graphics) images. It is used by several programs, including web browsers and potentially server processes.

Description

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

Impact

A remote attacker, by enticing a user to process a specially crafted PNG file, could cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All libpng users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=media-libs/libpng-1.6.37"
 

References

Release date
August 03, 2019

Latest revision
August 03, 2019: 1

Severity
normal

Exploitable
remote

Bugzilla entries