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ubuntucveUbuntu.comUB:CVE-2018-15863
HistoryAug 25, 2018 - 12:00 a.m.

CVE-2018-15863

2018-08-2500:00:00
ubuntu.com
ubuntu.com
7

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack 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

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

0.0004 Low

EPSS

Percentile

5.1%

Unchecked NULL pointer usage in ResolveStateAndPredicate in
xkbcomp/compat.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 with a no-op modmask expression.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlibxkbcommon< 0.8.0-1ubuntu0.1UNKNOWN
ubuntu14.04noarchlibxkbcommon< 0.4.1-0ubuntu1.1UNKNOWN
ubuntu16.04noarchlibxkbcommon< 0.5.0-1ubuntu2.1UNKNOWN

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack 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

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

0.0004 Low

EPSS

Percentile

5.1%