CVE-2024-27316
Apache HTTP Server: HTTP/2 DoS by memory exhaustion on endless continuation frames
7.5
HIGH
CVSS 3.1
EPSS 87.6%
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.
How to fix CVE-2024-27316
To remediate CVE-2024-27316, upgrade the affected package to a fixed version below.
- Alpine/apache2—upgrade to 2.4.59-r0 or later
- —upgrade to 2.4.59 or later
- —upgrade to 2.4.59-1~deb11u1 or later
Is CVE-2024-27316 being exploited?
Likely — EPSS is 87.6%, placing CVE-2024-27316 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (3)
- from 0, < 2.4.59-r0
- >= 2.4.17, < 2.4.59
- from 0, < 2.4.59-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |