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debianDebianDEBIAN:DSA-5433-1:A7298
HistoryJun 21, 2023 - 9:28 a.m.

[SECURITY] [DSA 5433-1] libx11 security update

2023-06-2109:28:13
lists.debian.org
41
input validation
security advisory
debian
libx11
denial of service
upgrade

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

41.5%


Debian Security Advisory DSA-5433-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
June 21, 2023 https://www.debian.org/security/faq


Package : libx11
CVE ID : CVE-2023-3138
Debian Bug : 1038133

Gregory James Duck reported that missing input validation in various
functions provided by libx11, the X11 client-side library, may result in
denial of service.

For the oldstable distribution (bullseye), this problem has been fixed
in version 2:1.7.2-1+deb11u1.

For the stable distribution (bookworm), this problem has been fixed in
version 2:1.8.4-2+deb12u1.

We recommend that you upgrade your libx11 packages.

For the detailed security status of libx11 please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/libx11

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

41.5%