CVE-2023-44386: Vapor's incorrect request error handling triggers server crash

October 5, 2023 (updated February 9, 2024)

Vapor incorrectly handles errors encountered during parsing of HTTP 1.x requests, triggering a precondition failure in swift-nio due to API misuse and causing immediate termination of the server process.

References

github.com/advisories/GHSA-3mwq-h3g6-ffhm
github.com/vapor/vapor
github.com/vapor/vapor/commit/090464a654b03148b139a81f8f5ac63b0856f6f3
github.com/vapor/vapor/releases/tag/4.84.2
github.com/vapor/vapor/security/advisories/GHSA-3mwq-h3g6-ffhm
nvd.nist.gov/vuln/detail/CVE-2023-44386

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