CVE-2023-43785

Publication date 3 October 2023

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

A vulnerability was found in libX11 due to a boundary condition within the _XkbReadKeySyms() function. This flaw allows a local user to trigger an out-of-bounds read error and read the contents of memory on the system.

Status

Package Ubuntu Release Status
libx11 23.10 mantic
Fixed 2:1.8.6-1ubuntu1
23.04 lunar
Fixed 2:1.8.4-2ubuntu0.3
22.04 LTS jammy
Fixed 2:1.7.5-1ubuntu0.3
20.04 LTS focal
Fixed 2:1.6.9-2ubuntu1.6
18.04 LTS bionic
16.04 LTS xenial
14.04 LTS trusty

Get expanded security coverage with Ubuntu Pro

Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.

Get Ubuntu Pro

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

Related Ubuntu Security Notices (USN)

    • USN-6407-1
    • libx11 vulnerabilities
    • 3 October 2023
    • USN-6407-2
    • libx11 vulnerabilities
    • 10 October 2023

Other references