Resource exhaustion in Apache Http_server
CVE-2024-27316
HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.
EPSS: 0.913 (99.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Apache Http_server
- Apache Software Foundation Http Server — versions 2.4.17
- Netapp Ontap — versions 9
- Fedoraproject Fedora — versions 38, 39, 40
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (Product, vendor-advisory, Release Notes)
- security@apache.org
- security@apache.org (Mailing List)
- security@apache.org
- security@apache.org
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2024-27316?
- CVE-2024-27316 is a high-severity vulnerability in Apache Http_server, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2024-04-04.
- How severe is CVE-2024-27316?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2024-27316 known to be exploited?
- 13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.