CVE-2025-69277: libsodium before ad3004e, in atypical use cases involving certain custom cryptography or untrusted data to crypto_core_ed25519_is_valid_point, mishandles checks for whether an elliptic curve point is valid because it sometimes allows points that aren't in the main cryptographic group.

Overview

Severity
Medium (CVSS 4.5)
CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U
Exploit Status
Not Exploited
Patch Tuesday
2025-Dec
Released
2026-01-03
Last Updated
2026-02-18
EPSS Score
0.01% (percentile: 0.6%)

Affected Products (4)

Other

  • 20774-17084
  • 20775-17086
  • 20829-17084
  • 20883-17086

Revision History

  • 2026-01-03: Information published.
  • 2026-01-09: Information published.
  • 2026-01-13: Information published.
  • 2026-01-20: Information published.
  • 2026-02-18: Information published.