High severity · published Apr 4, 2024
CVE-2024-27316
HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response
7.5
CVSS
91.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)91.3% · higher than 100% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HS
HTTP Server · Apache
2.4.17 before 2.4.59 · source: NVD
FE
Fedora · Fedoraproject
38; 39; 40 · source: NVD
ON
Ontap · Netapp
9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-27316
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-27316
seclists.org
http://seclists.org/fulldisclosure/2024/Jul/18
Mailing List
http://www.openwall.com/lists/oss-security/2024/04/04/4
Product
https://httpd.apache.org/security/vulnerabilities_24.html
support.apple.com
https://support.apple.com/kb/HT214119
www.openwall.com
https://www.openwall.com/lists/oss-security/2024/04/03/16
lists.debian.org
https://lists.debian.org/debian-lts-announce/2024/05/msg00013.html
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