Medium (5.5). EPSS 0.5% chance of exploitation in the next 30 days.
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.
Severity
CVSS 3.1
5.5 medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)