CVE-2026-49975highCWE-409CWE-789

CVE-2026-49975: high-severity vulnerability in Apache HTTP Server

Apache HTTP Server: mod_http2 denial of service

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55Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 7.5epss 33%
from disclosure to weaponsame day
Published on NVDJun 8
1st PoCJun 3
Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of service via malicious HTTP requests. This issue affects Apache HTTP Server: from 2.4.17 through 2.4.67.
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
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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