CVE-2026-41990

>= 1.12.0 and < 1.12.2

Libgcrypt before 1.12.2 mishandles Dilithium signing. Writes to a static array lack a bounds check but do not use attacker-control

4.0MEDIUM

CVE-2026-41989

>= 1.8.8 and < 1.10.4

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

6.7MEDIUM

CVE-2021-40528

< 1.9.4

The ElGamal implementation in Libgcrypt before 1.9.4 allows plaintext recovery because, during interaction between two cryptograph

5.9MEDIUM

CVE-2021-33560

< 1.8.8

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-c

7.5HIGH

CVE-2021-3345

all versions

_gcry_md_block_write in cipher/hash-common.c in Libgcrypt version 1.9.0 has a heap-based buffer overflow when the digest final fun

7.8HIGH

CVE-2015-0837

< 1.6.3

The mpi_powm function in Libgcrypt before 1.6.3 and GnuPG before 1.4.19 allows attackers to obtain sensitive information by levera

5.9MEDIUM

CVE-2014-3591

< 1.6.3

Libgcrypt before 1.6.3 and GnuPG before 1.4.19 does not implement ciphertext blinding for Elgamal decryption, which allows physica

4.2MEDIUM

CVE-2019-12904

all versions

In Libgcrypt 1.8.4, the C implementation of AES is vulnerable to a flush-and-reload side-channel attack because physical addresses

5.9MEDIUM

CVE-2017-7526

< 1.7.8

libgcrypt before version 1.7.8 is vulnerable to a cache side-channel attack resulting into a complete break of RSA-1024 while usin

6.1MEDIUM

CVE-2018-0495

< 1.7.10

Libgcrypt before 1.7.10 and 1.8.x before 1.8.3 allows a memory-cache side-channel attack on ECDSA signatures that can be mitigated

4.7MEDIUM

CVE-2018-6829

<= 1.8.2

cipher/elgamal.c in Libgcrypt through 1.8.2, when used to encrypt messages directly, improperly encodes plaintexts, which allows a

7.5HIGH

CVE-2017-0379

<= 1.8.0

Libgcrypt before 1.8.1 does not properly consider Curve25519 side-channel attacks, which makes it easier for attackers to discover

7.5HIGH

CVE-2017-9526

<= 1.7.6

In Libgcrypt before 1.7.7, an attacker who learns the EdDSA session key (from side-channel observation during the signing process)

5.9MEDIUM

CVE-2016-6313

<= 1.5.3

The mixing functions in the random number generator in Libgcrypt before 1.5.6, 1.6.x before 1.6.6, and 1.7.x before 1.7.3 and GnuP

5.3MEDIUM

CVE-2015-7511

<= 1.6.4

Libgcrypt before 1.6.5 does not properly perform elliptic-point curve multiplication during decryption, which makes it easier for

2.0LOW

CVE-2014-5270

<= 1.5.3

Libgcrypt before 1.5.4, as used in GnuPG and other products, does not properly perform ciphertext normalization and ciphertext ran

CVE-2013-4242

<= 1.5.2

GnuPG before 1.4.14, and Libgcrypt before 1.5.3 as used in GnuPG 2.0.x and possibly other products, allows local users to obtain p