CVE-2019-25005

HIGH

chacha20 < 0.2.3 - Integer Overflow in ChaCha20 Counter

Title source: llm
STIX 2.1

Description

An issue was discovered in the chacha20 crate before 0.2.3 for Rust. A ChaCha20 counter overflow makes it easier for attackers to determine plaintext.

References (1)

Core 1
Core References
Third Party Advisory x_refsource_misc
https://rustsec.org/advisories/RUSTSEC-2019-0029.html

Scores

CVSS v3 7.5
EPSS 0.0131
EPSS Percentile 66.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-190
Status published
Products (2)
chacha20_project/chacha20 < 0.2.3
crates.io/chacha20 0 - 0.2.3crates.io
Published Dec 31, 2020
Tracked Since Feb 18, 2026