ISOMAN

CVE

CVE-2018-15858

Unchecked NULL pointer usage when handling invalid aliases in CopyKeyAliasesToKeymap in xkbcomp/keycodes.c in xkbcommon before 0.8.1 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file.

Severity
MEDIUM
CVSS
5.5
Published
Modified
NVD detailAll CVEs

Linked Releases

DistributionReleaseStatusEvidence
Ubuntu18.04.6 amd64 desktopunknownsource
Ubuntu18.04.6 amd64 live-serverunknownsource
Ubuntu16.04.7 amd64 desktopunknownsource
Ubuntu16.04.6 i386 desktopunknownsource
Ubuntu16.04.7 amd64 serverunknownsource
Ubuntu16.04.6 i386 serverunknownsource
Ubuntu14.04.6 amd64 desktopunknownsource
Ubuntu14.04.6 i386 desktopunknownsource
Ubuntu14.04.6 amd64 serverunknownsource
Ubuntu14.04.6 i386 serverunknownsource

References

  1. https://github.com/xkbcommon/libxkbcommon/commit/badb428e63387140720f22486b3acbd3d738859f
  2. https://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.html
  3. https://security.gentoo.org/glsa/201810-05
  4. https://usn.ubuntu.com/3786-1/
  5. https://usn.ubuntu.com/3786-2/
  6. https://github.com/xkbcommon/libxkbcommon/commit/badb428e63387140720f22486b3acbd3d738859f
  7. https://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.html
  8. https://security.gentoo.org/glsa/201810-05
  9. https://usn.ubuntu.com/3786-1/
  10. https://usn.ubuntu.com/3786-2/