CVE-2018-14598

2018-08-2400:00:00

ubuntu.com

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.01 Low

EPSS

Percentile

83.5%

JSON

An issue was discovered in XListExtensions in ListExt.c in libX11 through
1.6.5. A malicious server can send a reply in which the first string
overflows, causing a variable to be set to NULL that will be freed later
on, leading to DoS (segmentation fault).

Bugs

<https://bugs.launchpad.net/ubuntu/+source/libx11/+bug/1788448>

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlibx11< 2:1.6.4-3ubuntu0.1UNKNOWN
ubuntu14.04noarchlibx11< 2:1.6.2-1ubuntu2.1UNKNOWN
ubuntu16.04noarchlibx11< 2:1.6.3-1ubuntu2.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	libx11	< 2:1.6.4-3ubuntu0.1	UNKNOWN
ubuntu	14.04	noarch	libx11	< 2:1.6.2-1ubuntu2.1	UNKNOWN
ubuntu	16.04	noarch	libx11	< 2:1.6.3-1ubuntu2.1	UNKNOWN