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CVE-2024-27316: Apache HTTP Server: HTTP/2 DoS by memory exhaustion on endless continuation frames
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.
Classification
CVE ID: CVE-2024-27316
Affected Products
Vendor: Apache Software Foundation
Product: Apache HTTP Server
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.26% (probability of being exploited)
EPSS Percentile: 66.9% (scored less or equal to compared to others)
EPSS Date: 2025-03-14 (when was this score calculated)
References
https://httpd.apache.org/security/vulnerabilities_24.htmlhttps://www.openwall.com/lists/oss-security/2024/04/03/16
http://www.openwall.com/lists/oss-security/2024/04/04/4
https://support.apple.com/kb/HT214119
http://seclists.org/fulldisclosure/2024/Jul/18