VULNERABILITY INTELLIGENCE

CVE-2019-25005

CVSS score7.5 HIGH
EPSS probability1.32%
CISA KEVNot currently listed
Published2020-12-31
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

Weakness classification

  • CWE-190: Integer Overflow or Wraparound

Primary references