RFC 9267

Common Implementation Anti-Patterns Related to Domain Name System (DNS) Resource Record (RR) Processing, July 2022

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S. Dashevskyi
D. dos Santos
J. Wetzels
A. Amri

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DOI:  https://doi.org/10.17487/RFC9267

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This memo describes common vulnerabilities related to Domain Name System (DNS) resource record (RR) processing as seen in several DNS client implementations. These vulnerabilities may lead to successful Denial-of-Service and Remote Code Execution attacks against the affected software. Where applicable, violations of RFC 1035 are mentioned.

For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.

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