Resource exhaustion in Apache Http_server

CVE-2026-29168

Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's  mod_md via OCSP response data. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.66. Users are recommended to upgrade to version 2.4…

EPSS: 0.000 (11.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-29168?
CVE-2026-29168 is a high-severity vulnerability in Apache Http_server, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.3/10. Published 2026-05-05.
How severe is CVE-2026-29168?
High severity. CVSS v3 base score is 7.3 out of 10.