ISOMAN

CVE

CVE-2018-15859

Unchecked NULL pointer usage when parsing invalid atoms in ExprResolveLhs in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because lookup failures are mishandled.

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://access.redhat.com/errata/RHSA-2019:2079
  2. https://github.com/xkbcommon/libxkbcommon/commit/bb4909d2d8fa6b08155e449986a478101e2b2634
  3. https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.html
  4. https://security.gentoo.org/glsa/201810-05
  5. https://usn.ubuntu.com/3786-1/
  6. https://usn.ubuntu.com/3786-2/
  7. https://access.redhat.com/errata/RHSA-2019:2079
  8. https://github.com/xkbcommon/libxkbcommon/commit/bb4909d2d8fa6b08155e449986a478101e2b2634
  9. https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.html
  10. https://security.gentoo.org/glsa/201810-05
  11. https://usn.ubuntu.com/3786-1/
  12. https://usn.ubuntu.com/3786-2/