5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
libxkbcommon is vulnerable to denial of service (DoS). The vulnerability exists through an endless recursion in xkbcomp/expr.c resulting in a crash.
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.7_release_notes/index
access.redhat.com/errata/RHSA-2019:2079
access.redhat.com/security/updates/classification/#moderate
bugzilla.redhat.com/show_bug.cgi?id=1529419
bugzilla.redhat.com/show_bug.cgi?id=1624847
bugzilla.redhat.com/show_bug.cgi?id=1632807
bugzilla.redhat.com/show_bug.cgi?id=1635747
bugzilla.redhat.com/show_bug.cgi?id=1642197
bugzilla.redhat.com/show_bug.cgi?id=1648116
bugzilla.redhat.com/show_bug.cgi?id=1650166
bugzilla.redhat.com/show_bug.cgi?id=1650634
bugzilla.redhat.com/show_bug.cgi?id=1665433
bugzilla.redhat.com/show_bug.cgi?id=1674474
bugzilla.redhat.com/show_bug.cgi?id=1680120
bugzilla.redhat.com/show_bug.cgi?id=1724300
github.com/xkbcommon/libxkbcommon/commit/1f9d1248c07cda8aaff762429c0dce146de8632a
lists.freedesktop.org/archives/wayland-devel/2018-August/039232.html
security.gentoo.org/glsa/201810-05
usn.ubuntu.com/3786-1/
usn.ubuntu.com/3786-2/
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P