CVE-2024-27316highCWE-770

CVE-2024-27316: high-severity vulnerability in Apache HTTP Server

Apache HTTP Server: HTTP/2 DoS by memory exhaustion on endless continuation frames

Published · Updated

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43Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.5epss 89%
What the vendors declare (VEX)

Official vendor statements in CSAF/VEX format: whether their product is affected, already fixed, or ruled out — and why. These are the vendor's assertions, not Vexday's judgment.

Red HatVEX document ↗
Affected
21 products (47 components)
Red Hat Enterprise Linux 10 · Red Hat Enterprise Linux 6 · Red Hat Software Collections · Red Hat Enterprise Linux 7 · Red Hat OpenShift Container Platform 3.11 · and others 16
workaround: Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
Fixed
18 products (693 components)
Red Hat Enterprise Linux AppStream (v. 8) · Red Hat Enterprise Linux AppStream EUS (v.8.6) · Red Hat Enterprise Linux AppStream EUS (v.8.8) · Red Hat JBoss EAP 7.4 for RHEL 8 · Red Hat JBoss EAP 7.4 for RHEL 7 Server · and others 13
fix ↗
Not affected
25 products (1,435 components) — because the vulnerable code is not present in the product
Red Hat JBoss Enterprise Application Platform · .NET 6.0 on Red Hat Enterprise Linux · Red Hat Enterprise Linux 8 · Red Hat Enterprise Linux 7 · Red Hat Enterprise Linux 9 · and others 20
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Apache Software Foundation · Apache HTTP Server
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