CVE-2018-15861

Unchecked NULL pointer usage 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 that triggers an xkb_intern_atom failure.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:xkbcommon:libxkbcommon:*:*:*:*:*:*:*:*
cpe:2.3:a:xkbcommon:xkbcommon:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

History

21 Nov 2024, 03:51

Type Values Removed Values Added
References () https://access.redhat.com/errata/RHSA-2019:2079 - () https://access.redhat.com/errata/RHSA-2019:2079 -
References () https://github.com/xkbcommon/libxkbcommon/commit/38e1766bc6e20108948aec8a0b222a4bad0254e9 - Patch, Third Party Advisory () https://github.com/xkbcommon/libxkbcommon/commit/38e1766bc6e20108948aec8a0b222a4bad0254e9 - Patch, Third Party Advisory
References () https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.html - Mailing List, Patch, Third Party Advisory () https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.html - Mailing List, Patch, Third Party Advisory
References () https://security.gentoo.org/glsa/201810-05 - Third Party Advisory () https://security.gentoo.org/glsa/201810-05 - Third Party Advisory
References () https://usn.ubuntu.com/3786-1/ - Third Party Advisory () https://usn.ubuntu.com/3786-1/ - Third Party Advisory
References () https://usn.ubuntu.com/3786-2/ - Third Party Advisory () https://usn.ubuntu.com/3786-2/ - Third Party Advisory

Information

Published : 2018-08-25 21:29

Updated : 2024-11-21 03:51


NVD link : CVE-2018-15861

Mitre link : CVE-2018-15861

CVE.ORG link : CVE-2018-15861


JSON object : View

Products Affected

xkbcommon

  • libxkbcommon
  • xkbcommon

canonical

  • ubuntu_linux
CWE
CWE-476

NULL Pointer Dereference