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Vulnerability Intelligence
Miggo AI
Miggo AIMiggo AI| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| smallvec | rust | >= 0.6.3, < 0.6.14 | 0.6.14 |
| smallvec | rust | >= 1.0.0, < 1.6.1 | 1.6.1 |
RustRustMiggo AIRoot Cause AnalysisThe vulnerability explicitly occurs in SmallVec::insert_many as described in all sources. The commit diff shows critical changes to this function's memory handling logic - specifically replacing a direct iterator loop with a two-phase approach (handling size_hint lower bound first, then inserting excess elements safely). The original implementation's unsafe pointer arithmetic and conditional reallocation when 'num_added >= lower_size_bound' was insufficient to prevent buffer overflow when the iterator exceeded its hinted size. The added test_insert_many_overflow in the patch directly validates this failure scenario.
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