CVE-2019-16143
CRITICAL
9.8
CVSS Score
Published: September 9, 2019 at 11:58 AM UTC
Updated: June 17, 2026 at 02:21 AM UTC
1 product affected across 1 vendorBLAKE2 Rust
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Severity
CRITICAL9.8
Exploit prediction
EPSS 0.9%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 0.8.1
Affected range stops below 0.8.1, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (1)
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://rustsec.org/advisories/RUSTSEC-2019-0019.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-327
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