CVE-2026-41989: Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.

Overview

Severity
Medium (CVSS 4)
CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:O/RC:U
Exploit Status
Not Exploited
Patch Tuesday
2026-Apr
Released
2026-04-24
Last Updated
2026-05-06
EPSS Score
0.18% (percentile: 8.1%)

Affected Products (3)

Open Source Software

  • azl3 libgcrypt 1.10.3-1 on Azure Linux 3.0
  • cbl2 libgcrypt 1.10.3-1 on CBL Mariner 2.0

Other

  • 21310-17084

Revision History

  • 2026-04-24: Information published.
  • 2026-04-25: Information published.
  • 2026-04-29: Information published.
  • 2026-05-06: Information published.