Critical (9.1). EPSS 42% chance of exploitation in the next 30 days.
If LimitXMLRequestBody is set to allow request bodies larger than 350MB (defaults to 1M) on 32 bit systems an integer overflow happens which later causes out of bounds writes. This issue affects Apache HTTP Server 2.4.52 and earlier.
Severity
CVSS 3.1
9.1 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS
42% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)