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On the Effectiveness of Mutational Grammar Fuzzing

lowproject_zeroPublished 2026-03-05

<p>Mutational grammar fuzzing is a fuzzing technique in which the fuzzer uses a predefined grammar that describes the structure of the samples. When a sample gets mutated, the mutations happen in such a way that any resulting samples still adhere to the grammar rules, thus the structure of the samples gets maintained by the mutation process. In case of coverage-guided grammar fuzzing, if the resul

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Original source: https://projectzero.google/2026/03/mutational-grammar-fuzzing.html