CVE-2024-27316

HIGHCVSS 7.5/10EPSS 91.33%

Last modified

CVE-2024-27316 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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 estimates a 91.33% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
91.33%

99.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ApacheHttp Server>= 2.4.17, < 2.4.59
FedoraprojectFedora38
FedoraprojectFedora39
FedoraprojectFedora40
NetappOntap9

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2024-27316?
CVE-2024-27316 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 91.33% probability of exploitation in the next 30 days.
How do I fix CVE-2024-27316?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-27316?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST