CVE-2021-45709

Published: Dec 27, 2021Modified: Jun 17, 2026

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

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.

Affected (1)

Products: Crypto2 Project: Crypto2

Crypto2 Project

1 product

Crypto2

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Crypto2 Project Crypto2	All versions

Related CWEs

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (4)

https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/crypto2/RUSTSEC-2021-0121.md

Source: cve@mitre.org

Third Party Advisory

https://rustsec.org/advisories/RUSTSEC-2021-0121.html

Source: cve@mitre.org

Third Party Advisory

https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/crypto2/RUSTSEC-2021-0121.md

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://rustsec.org/advisories/RUSTSEC-2021-0121.html

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.