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.
Multiple vulnerabilities have been discovered in libpng. Please review the CVE identifiers referenced below for details.
A remote attacker, by enticing a user to process a specially crafted PNG file, could cause a Denial of Service condition.
There is no known workaround at this time.
All libpng users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/libpng-1.6.37"