CVE-2019-0197

Summary

A vulnerability was found in Apache HTTP Server 2.4.34 to 2.4.38. When HTTP/2 was enabled for a http: host or H2Upgrade was enabled for h2 on a https: host, an Upgrade request from http/1.1 to http/2 that was not the first request on a connection could lead to a misconfiguration and crash. Server that never enabled the h2 protocol or that only enabled it for https: and did not set "H2Upgrade on" are unaffected by this issue.

Affected Software

VendorProductVersion RangeStatus
Apache Software FoundationApache HTTP Server2.4.34 to 2.4.38affected

Weaknesses

  • mod_http2, possible crash on late upgrade

ADP Enrichment

CVE Program Container

Additional References

References