cve.bz

CVE-2021-45709

9.8 criticalEPSS 0.8%

Critical (9.8) in crypto2 project crypto2. EPSS 0.8% chance of exploitation in the next 30 days.

An issue was discovered in the crypto2 crate through 2021-10-08 for Rust. During Chacha20 encryption and decryption, an unaligned read of a u32 may occur.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-31)
CWE
CWE-119
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-9hfg-pxr6-q4vpcrates.iocrypto2<=0.1.2no fix published
GHSA-pmcv-mgcf-rvxgcrates.iocrypto2<=0.1.2no fix published
RUSTSEC-2021-0121crates.iocrypto2>=0.0.0-0no fix published

References

Check your stackJSON