CVE-2022-41717

Summary

An attacker can cause excessive memory growth in a Go server accepting HTTP/2 requests. HTTP/2 server connections contain a cache of HTTP header keys sent by the client. While the total number of entries in this cache is capped, an attacker sending very large keys can cause the server to allocate approximately 64 MiB per open connection.

Affected Software

VendorProductVersion RangeStatus
Go standard librarynet/http0 < 1.18.9affected
Go standard librarynet/http1.19.0-0 < 1.19.4affected
golang.org/x/netgolang.org/x/net/http20 < 0.4.0affected

Weaknesses

  • CWE 400: Uncontrolled Resource Consumption

ADP Enrichment

CVE Program Container

Additional References

References