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fix crash when receiving request with invalid framing (CVE-2017-10868) #1459

kazuho opened this Issue Oct 18, 2017 · 0 comments


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kazuho commented Oct 18, 2017

The worker process of H2O may crash (and automatically respawned depending on the configuration) when it receives a HTTP request with an invalid framing specifier (i.e. content-length or transfer-encoding header).

The crash disrupts other requests in-flight, and therefore is being classified as a DoS vulnerability.

Details TBD.

Affected systems: H2O up to version 2.2.2, serving HTTP/1 traffic.
Resolution: upgrade to 2.2.3.

@kazuho kazuho changed the title from test to fix crash when receiving request with invalid framing (CVE-2017-10868) Oct 19, 2017

@kazuho kazuho closed this Jan 12, 2018

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