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RUSTSEC-2024-0402
Borsh serialization of HashMap is non-canonical
Details
The borsh serialization of the HashMap did not follow the borsh specification. It potentially produced non-canonical encodings dependent on insertion order. It also did not perform canonicty checks on decoding.
This can result in consensus splits and cause equivalent objects to be considered distinct.
This was patched in 0.15.1.
Are you affected?
Enter the version of the package you're using.
Affected packages
crates.io/hashbrown
Introduced in:
0.15.0Fixed in: 0.15.1Upgrade hashbrown to 0.15.1 or newer (ecosystem crates.io).