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slackwareSlackware Linux ProjectSSA-2021-139-01
HistoryMay 19, 2021 - 9:18 p.m.

[slackware-security] libX11

2021-05-1921:18:57
Slackware Linux Project
www.slackware.com
52

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.136 Low

EPSS

Percentile

95.5%

New libX11 packages are available for Slackware 14.0, 14.1, 14.2, and -current
to fix a security issue.

Here are the details from the Slackware 14.2 ChangeLog:

patches/packages/libX11-1.7.1-i586-1_slack14.2.txz: Upgraded.
This update fixes missing request length checks in libX11 that can lead to
the emission of extra X protocol requests to the X server.
For more information, see:
https://lists.x.org/archives/xorg-announce/2021-May/003088.html
https://vulners.com/cve/CVE-2021-31535
(* Security fix *)

Where to find the new packages:

Thanks to the friendly folks at the OSU Open Source Lab
(http://osuosl.org) for donating FTP and rsync hosting
to the Slackware project! :-)

Also see the “Get Slack” section on http://slackware.com for
additional mirror sites near you.

Updated package for Slackware 14.0:
ftp://ftp.slackware.com/pub/slackware/slackware-14.0/patches/packages/libX11-1.7.1-i486-1_slack14.0.txz

Updated package for Slackware x86_64 14.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/libX11-1.7.1-x86_64-1_slack14.0.txz

Updated package for Slackware 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/libX11-1.7.1-i486-1_slack14.1.txz

Updated package for Slackware x86_64 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/libX11-1.7.1-x86_64-1_slack14.1.txz

Updated package for Slackware 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/libX11-1.7.1-i586-1_slack14.2.txz

Updated package for Slackware x86_64 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/libX11-1.7.1-x86_64-1_slack14.2.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/x/libX11-1.7.1-i586-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/x/libX11-1.7.1-x86_64-1.txz

MD5 signatures:

Slackware 14.0 package:
037e061214b75602fecda02dbeff4594 libX11-1.7.1-i486-1_slack14.0.txz

Slackware x86_64 14.0 package:
2d361c4a57965f7717c6baeeb64bfbdc libX11-1.7.1-x86_64-1_slack14.0.txz

Slackware 14.1 package:
2d248166e3300b2eddf1bf7cdfd9c48e libX11-1.7.1-i486-1_slack14.1.txz

Slackware x86_64 14.1 package:
1cbc196fc2b572d9ef1d782780e715c4 libX11-1.7.1-x86_64-1_slack14.1.txz

Slackware 14.2 package:
e7a8f6730ee2a9f0c1d1b882ef19a328 libX11-1.7.1-i586-1_slack14.2.txz

Slackware x86_64 14.2 package:
93c50f408507ca0ec710ec0652911fc5 libX11-1.7.1-x86_64-1_slack14.2.txz

Slackware -current package:
c4e7afb55aa5cbac724d078bac62d48e x/libX11-1.7.1-i586-1.txz

Slackware x86_64 -current package:
4c6d385206e5c2ba7614b1301b850115 x/libX11-1.7.1-x86_64-1.txz

Installation instructions:

Upgrade the package as root:
> upgradepkg libX11-1.7.1-i586-1_slack14.2.txz

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.136 Low

EPSS

Percentile

95.5%