CVE-2026-54340 Detail
Received
This CVE record has recently been published to the CVE List and has been included within the NVD dataset. Descriptionh2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit 9265bdd, there is an HTTP/2 state amplification issue that combines HPACK decompression amplification with Slowloris-style stream stalling. Amplified decoded header state can be retained by stalled HTTP/2 streams, and depending on the configuration, additional limits are needed to bound decoded header state and prevent attack. This issue has been fixed by commit 9265bdd. Metrics
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CVSS 4.0 Severity and Vector Strings:
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Quick InfoCVE Dictionary Entry:CVE-2026-54340 NVD Published Date: 07/16/2026 NVD Last Modified: 07/16/2026 Source: GitHub, Inc. |
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