CVE-2022-21653: Hash collision in typelevel jawn

(updated )

Extenders of the org.typelevel.jawn.SimpleFacade and org.typelevel.jawn.MutableFacade who don’t override objectContext() are vulnerable to a hash collision attack. Most applications do not implement these traits directly, but inherit from a library:

Affected implementations include:

  • org.http4s :: http4s-play-json
  • org.typelevel :: jawn-ast (< 0.8.0)
  • org.typelevel :: jawn-play (discontinued)
  • org.typelevel :: jawn-rojoma (discontinued)
  • org.typelevel :: jawn-spray (discontinued)

Unaffected implementations include:

  • io.argonaut :: argonaut-jawn
  • io.circe :: circe-parser
  • org.typelevel :: jawn-ast (>= 0.8.0)
  • org.typelevel :: jawn-json4s (discontinued)
  • org.typelevel :: jawn-argonaut (discontinued)

References

Code Behaviors & Features

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