Critical (9.1). EPSS 17% chance of exploitation in the next 30 days.
In Apache HTTP Server 2.4.18-2.4.39, using fuzzed network input, the http/2 session handling could be made to read memory after being freed, during connection shutdown.
Severity
CVSS 3.1
9.1 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS
17% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)