Critical severity9.8NVD Advisory· Published Sep 9, 2019· Updated Jun 17, 2026
CVE-2019-16143
CVE-2019-16143
Description
An issue was discovered in the blake2 crate before 0.8.1 for Rust. The BLAKE2b and BLAKE2s algorithms, when used with HMAC, produce incorrect results because the block sizes are half of the required sizes.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
blake2crates.io | < 0.8.1 | 0.8.1 |
Affected products
2- Rust/blake2 cratedescription
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-4x25-pvhw-5224ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2019-16143ghsaADVISORY
- rustsec.org/advisories/RUSTSEC-2019-0019.htmlnvdThird Party AdvisoryWEB
- github.com/RustCrypto/MACs/issues/19ghsaWEB
- github.com/RustCrypto/hashes/tree/master/blake2ghsaPACKAGE
News mentions
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