CVE-2024-27316

high-risk
Published 2024-04-04

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.

Do I need to act?

!
89.4% chance of exploitation in next 30 days
EPSS score — higher than 11% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (5)

Affected Vendors

58
/ 100
high-risk
Severity 26/34 · High
Exploitability 20/34 · Moderate
Exposure 12/34 · Low