PT-2026-34640 · Gnupg · Libgcrypt

Published 2026-04-23 · Updated 2026-04-23 · CVE-2026-41989

Mitre

CVSS v3.1

6.7

Medium

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

Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry pk decrypt.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2026-41989

Affected Products

Libgcrypt

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-41989 · Security Note
• https://openwall.com/lists/oss-security/2026/04/21/1 · Note
• https://dev.gnupg.org/T8211 · Note
• https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html · Note