All errata/c10f2/ALT-PU-2023-6147-3
ALT-PU-2023-6147-3

Package update libX11 in branch c10f2

Version1.8.7-alt1
Task#330989
Published2023-10-18
Max severityHIGH
Severity:

Closed issues (3)

CVE-2023-43785
MEDIUM5.5

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.

Published: 2023-10-10Modified: 2025-11-04
CVSS 3.xMEDIUM 5.5
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References
CVE-2023-43786
MEDIUM5.5

A vulnerability was found in libX11 due to an infinite loop within the PutSubImage() function. This flaw allows a local user to consume all available system resources and cause a denial of service condition.

Published: 2023-10-10Modified: 2025-11-04
CVSS 3.xMEDIUM 5.5
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References
CVE-2023-43787
HIGH7.8

A vulnerability was found in libX11 due to an integer overflow within the XCreateImage() function. This flaw allows a local user to trigger an integer overflow and execute arbitrary code with elevated privileges.

Published: 2023-10-10Modified: 2025-11-04
CVSS 3.xHIGH 7.8
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References