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CVE-2026-56853

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Description

When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface. ReadHeaderTimeout is unexpectedly not being applied when doing this.

CVSS 7.5EPSS 0.5680000000000001%Risk 0.79
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Published
2026-08-13 22:17:22
Affected versions
unknown
Type
Library
Last modified
2026-08-14 16:16:57
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H