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Package "libgcrypt20"

Name: libgcrypt20

Description:

LGPL Crypto library - runtime library
Latest version: 1.12.0-2ubuntu0.1
Release: resolute (26.04)
Level: security
Repository: main
Homepage: https://gnupg.org/software/libgcrypt/

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Other versions of "libgcrypt20" in Resolute

Repository Area Version
base main 1.12.0-2
base universe 1.12.0-2
security universe 1.12.0-2ubuntu0.1
updates main 1.12.0-2ubuntu0.1
updates universe 1.12.0-2ubuntu0.1

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Changelog

Version: 1.12.0-2ubuntu0.1 2026-05-27 14:07:38 UTC

  libgcrypt20 (1.12.0-2ubuntu0.1) resolute-security; urgency=medium

  * SECURITY UPDATE: Heap-based buffer overflow via crafted ECDH ciphertext
    - debian/patches/CVE-2026-41989.patch: cipher:ecc: Fix decoding a point on
      Montgomery curve. in cipher/ecc-misc.c.
    - CVE-2026-41989
  * SECURITY UPDATE: Dilithium signing mishandling
    - debian/patches/CVE-2026-41990.patch: cipher:dilithium: Check the label
      length by caller. in cipher/dilithium.c, cipher/dilithium.h,
      cipher/pubkey-dilithium.c.
    - CVE-2026-41990

 -- Marc Deslauriers <email address hidden> Tue, 12 May 2026 11:01:30 +0200
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.
CVE-2026-41990 Libgcrypt before 1.12.2 mishandles Dilithium signing. Writes to a static array lack a bounds check but do not use attacker-controlled data.


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