xkbcommon is a library to handle keyboard descriptions, including loading them from disk, parsing them and handling their state.
Multiple vulnerabilities have been discovered in libxkbcommon. Please review the CVE identifiers referenced below for details.
A local attacker could supply a specially crafted keymap file possibly resulting in a Denial of Service condition.
There is no known workaround at this time.
All libxkbcommon users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-libs/libxkbcommon-0.8.2"