Unity Linux 20.1060e / 20.1070e Security Update: libgcrypt (UTSA-2026-017573)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017573 advisory. Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpipowm, and...

JLSEC-2026-123

Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpipowm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP...

MiracleLinux 8 : libgcrypt-1.8.5-6.el8 (AXSA:2021-2604:02)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2021-2604:02 advisory. libgcrypt: mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpipowm CVE-2021-33560 Tenable has...

CLSA-2023-1698945053 libgcrypt: Fix of 4 CVEs

CVE-2013-4576: Normalize the MPIs to prevent possible side-channel attacks - CVE-2014-3591: Use ciphertext blinding for Elgamal to prevent possible side-channel attacks - CVE-2021-33560: Use of smaller K for ephemeral key in ElGamal prevent generation of weak keys - CVE-2021-40528: Add exponent...

SUSE CVE-2021-33560

Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpipowm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP...

libgcrypt: mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpi_powm

A side-channel attack flaw was found in the way libgcrypt implemented Elgamal encryption. This flaw allows an attacker to decrypt parts of ciphertext encrypted using Elgamal, for example, when using OpenPGP. The highest threat from this vulnerability is to confidentiality...

RLSA-2021:4409 Moderate: libgcrypt security and bug fix update

The libgcrypt library provides general-purpose implementations of various cryptographic algorithms. Security Fixes: libgcrypt: mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpipowm CVE-2021-33560 For more details about the security issue...

OPENSUSE-SU-2021:2157-1 Security update for libgcrypt

This update for libgcrypt fixes the following issues: - CVE-2021-33560: Fixed a side-channel against ElGamal encryption, caused by missing exponent blinding bsc1187212...

SUSE-SU-2021:2157-1 Security update for libgcrypt

This update for libgcrypt fixes the following issues: - CVE-2021-33560: Fixed a side-channel against ElGamal encryption, caused by missing exponent blinding bsc1187212...

Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpi_powm and the window size is not chosen appropriately. This for example affects use of ElGamal in OpenPGP.

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ALPINE-CVE-2021-33560

Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpipowm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP...

DEBIAN-CVE-2021-33560

Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpipowm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP...

UBUNTU-CVE-2021-33560

Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpipowm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP...

CVE-2021-33560

CVE-2021-33560 affects Libgcrypt 1.8.x (before 1.8.8) and 1.9.x (before 1.9.3). The issue is a mishandling of ElGamal due to lack of exponent blinding in mpi_powm and improper window size, enabling side-channel leakage in OpenPGP scenarios. Affected products include environments using libgcrypt w...

CVE-2021-33560

Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpipowm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP...