CVE-2021-45696
CRITICALsha2 0.9.7 - Incorrect Hash Calculation via AVX2 Acceleration
Title source: llmDescription
An issue was discovered in the sha2 crate 0.9.7 before 0.9.8 for Rust. Hashes of long messages may be incorrect when the AVX2-accelerated backend is used.
References (2)
Core 2
Core References
Third Party Advisory x_refsource_misc
https://rustsec.org/advisories/RUSTSEC-2021-0100.html
Third Party Advisory x_refsource_misc
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/sha2/RUSTSEC-2021-0100.md
Scores
CVSS v3
9.8
EPSS
0.0080
EPSS Percentile
51.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-327
Status
published
Products (2)
crates.io/sha2
0.9.7 - 0.9.8crates.io
sha2_project/sha2
0.9.7
Published
Dec 27, 2021
Tracked Since
Feb 18, 2026