5.5

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Xkbcommon ≫ Libxkbcommon Version <= 0.8.1
Xkbcommon ≫ Xkbcommon Version <= 0.8.1
Canonical ≫ Ubuntu Linux Version14.04 SwEditionlts
Canonical ≫ Ubuntu Linux Version16.04 SwEditionlts
Canonical ≫ Ubuntu Linux Version18.04 SwEditionlts
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.54% 0.408
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 2.1 3.9 2.9
AV:L/AC:L/Au:N/C:N/I:N/A:P
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

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