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ubuntucveUbuntu.comUB:CVE-2018-15858
HistoryAug 25, 2018 - 12:00 a.m.

CVE-2018-15858

2018-08-2500:00:00
ubuntu.com
ubuntu.com
12

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

0.0004 Low

EPSS

Percentile

5.2%

JSON

Unchecked NULL pointer usage when handling invalid aliases in
CopyKeyAliasesToKeymap in xkbcomp/keycodes.c in xkbcommon before 0.8.1
could be used by local attackers to crash (NULL pointer dereference) the
xkbcommon parser by supplying a crafted keymap file.

Bugs

Notes

Author Note
leosilva code in trusty is quite different. portions of the code affected are not present so changing to not-affected.
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlibxkbcommon< 0.8.0-1ubuntu0.1UNKNOWN
ubuntu16.04noarchlibxkbcommon< 0.5.0-1ubuntu2.1UNKNOWN

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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

0.0004 Low

EPSS

Percentile

5.2%

JSON
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