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MSRC compact vulnerability detail

CVE-2022-35838 · HTTP V3 Denial of Service Vulnerability

No description was published by MSRC.

Severity
Important
Impact
Denial of Service
CVSS
7.5 base · 6.5 temporal
Release
2022-09-13
Signals
Windows HTTP.sys Denial of Service Exploited: No Publicly disclosed: No Exploitability: Exploitation Less Likely
CWE
No CWE data published.
Patch Diff
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Resolved binary override
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Description
No description was published by MSRC.
FAQ / Articles
Mitigation
Mitigation refers to a setting, common configuration, or general best-practice, existing in a default state, that could reduce the severity of exploitation of a vulnerability. The following mitigating factors might be helpful in your situation: A prerequisite for a server to be vulnerable is that the binding has HTTP/3 enabled and the server uses buffered I/O. HTTP/3 support for services is a new feature of Windows Server 2022. Currently, enabling HTTP/3 is done via a registry key as discussed in this article: Enabling HTTP/3 support on Windows Server 2022