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ubuntuUbuntuUSN-4487-2
HistorySep 08, 2020 - 12:00 a.m.

libx11 vulnerabilities

2020-09-0800:00:00
ubuntu.com
50

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8 High

AI Score

Confidence

High

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

19.0%

JSON

Releases

  • Ubuntu 14.04 ESM
  • Ubuntu 12.04

Packages

  • libx11 - None

Details

USN-4487-1 fixed several vulnerabilities in libx11. This update provides
the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM.

Original advisory details:

Todd Carson discovered that libx11 incorrectly handled certain memory
operations. A local attacker could possibly use this issue to escalate
privileges. (CVE-2020-14344)

Jayden Rivers discovered that libx11 incorrectly handled locales. A local
attacker could possibly use this issue to escalate privileges.
(CVE-2020-14363)

OSVersionArchitecturePackageVersionFilename
Ubuntu14.04noarchlibx11-6< 2:1.6.2-1ubuntu2.1+esm1UNKNOWN
Ubuntu14.04noarchlibx11-6< 2:1.6.2-1ubuntu2.1UNKNOWN
Ubuntu14.04noarchlibx11-6-dbg< 2:1.6.2-1ubuntu2.1UNKNOWN
Ubuntu14.04noarchlibx11-6-dbgsym< 2:1.6.2-1ubuntu2.1UNKNOWN
Ubuntu14.04noarchlibx11-6-udeb< 2:1.6.2-1ubuntu2.1UNKNOWN
Ubuntu14.04noarchlibx11-6-udeb-dbgsym< 2:1.6.2-1ubuntu2.1UNKNOWN
Ubuntu14.04noarchlibx11-dev< 2:1.6.2-1ubuntu2.1UNKNOWN
Ubuntu14.04noarchlibx11-dev-dbgsym< 2:1.6.2-1ubuntu2.1UNKNOWN
Ubuntu14.04noarchlibx11-xcb-dev< 2:1.6.2-1ubuntu2.1UNKNOWN
Ubuntu14.04noarchlibx11-xcb-dev-dbgsym< 2:1.6.2-1ubuntu2.1UNKNOWN
Rows per page:
1-10 of 231

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7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8 High

AI Score

Confidence

High

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

19.0%

JSON
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