CVE-2025-48946

CVE-2025-48946 concerns the liboqs library (C), specifically the HQC algorithm implemented in versions prior to 0.13.0. The root cause is a theoretical design flaw in HQC that can lead to large numbers of malformed ciphertexts sharing the same implicit rejection value. The public descriptions sta...

CVE-2025-48946 liboqs affected by theoretical design flaw in HQC

liboqs is a C-language cryptographic library that provides implementations of post-quantum cryptography algorithms. liboqs prior to version 0.13.0 supports the HQC algorithm, an algorithm with a theoretical design flaw which leads to large numbers of malformed ciphertexts sharing the same implici...

CVE-2025-48946 liboqs affected by theoretical design flaw in HQC

liboqs is a C-language cryptographic library that provides implementations of post-quantum cryptography algorithms. liboqs prior to version 0.13.0 supports the HQC algorithm, an algorithm with a theoretical design flaw which leads to large numbers of malformed ciphertexts sharing the same implici...

CVE-2025-48946: Use of a Broken or Risky Cryptographic Algorithm

liboqs is a C-language cryptographic library that provides implementations of post-quantum cryptography algorithms. liboqs prior to version 0.13.0 supports the HQC algorithm, an algorithm with a theoretical design flaw which leads to large numbers of malformed ciphertexts sharing the same implici...

PT-2025-23341 · Liboqs · Liboqs

Name of the Vulnerable Software and Affected Versions: liboqs versions prior to 0.13.0 Description: The issue is related to a theoretical design flaw in the HQC algorithm, which is implemented in liboqs. This flaw can lead to large numbers of malformed ciphertexts sharing the same implicit...

openSUSE Security Advisory (SUSE-SU-2025:0005-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE SLED15 / SLES15 / openSUSE 15 Security Update : liboqs, oqs-provider (SUSE-SU-2025:0005-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:0005-1 advisory. This update supplies the new FIPS standardized ML-KEM, ML-DSA, SHL-DSA algorithms. This update...

Security update for liboqs, oqs-provider

This update for liboqs, oqs-provider fixes the following issues: This update supplies the new FIPS standardized ML-KEM, ML-DSA, SHL-DSA algorithms. This update liboqs to 0.12.0: This release updates the ML-DSA implementation to the final FIPS 204 version. This release still includes the NIST Roun...

SUSE-SU-2025:0005-1 Security update for liboqs, oqs-provider

This update for liboqs, oqs-provider fixes the following issues: This update supplies the new FIPS standardized ML-KEM, ML-DSA, SHL-DSA algorithms. This update liboqs to 0.12.0: - This release updates the ML-DSA implementation to the final FIPS 204 version. This release still includes the NIST...

OPENSUSE-SU-2024:14580-1 liboqs-devel-0.12.0-1.1 on GA media

These are all security issues fixed in the liboqs-devel-0.12.0-1.1 package on the GA media of openSUSE Tumbleweed...

CVE-2024-54137

A flaw was found in the liboqs library. A correctness error has been identified in the reference implementation of the HQC key encapsulation mechanism. Due to an indexing error, part of the secret key is incorrectly treated as non-secret data. This issue results in an incorrect shared secret valu...

CVE-2024-54137

liboqs is a C-language cryptographic library that provides implementations of post-quantum cryptography algorithms. A correctness error has been identified in the reference implementation of the HQC key encapsulation mechanism. Due to an indexing error, part of the secret key is incorrectly treat...

CVE-2024-54137 liboqs has a correctness error in HQC decapsulation

liboqs is a C-language cryptographic library that provides implementations of post-quantum cryptography algorithms. A correctness error has been identified in the reference implementation of the HQC key encapsulation mechanism. Due to an indexing error, part of the secret key is incorrectly treat...

CVE-2024-54137

CVE-2024-54137 affects liboqs HQC KEM. A correctness error in the HQC decapsulation path caused part of the secret key to be treated as non-secret, resulting in an incorrect shared secret when decapsulating malformed ciphertexts. The fix is implemented in liboqs 0.12.0, as referenced by multiple ...

CVE-2024-54137 liboqs has a correctness error in HQC decapsulation

liboqs is a C-language cryptographic library that provides implementations of post-quantum cryptography algorithms. A correctness error has been identified in the reference implementation of the HQC key encapsulation mechanism. Due to an indexing error, part of the secret key is incorrectly treat...

CVE-2024-54137: Exposure of Sensitive Information to an Unauthorized Actor

liboqs is a C-language cryptographic library that provides implementations of post-quantum cryptography algorithms. A correctness error has been identified in the reference implementation of the HQC key encapsulation mechanism. Due to an indexing error, part of the secret key is incorrectly treat...

The vulnerability of the implementation of the Kyber key encapsulation mechanism in the library for implementing post-quantum cryptography algorithms, liboqs, allows a hacker to gain access to protected information.

The vulnerability of the Kyber key encapsulation mechanism implemented in the liboqs post-quantum cryptography algorithm library is related to the use of hidden time channels for data transmission. Exploiting this vulnerability could allow a malicious actor to gain access to protected information...

CVE-2024-37305 Buffer overflow in deserialization in oqs-provider

oqs-provider is a provider for the OpenSSL 3 cryptography library that adds support for post-quantum cryptography in TLS, X.509, and S/MIME using post-quantum algorithms from liboqs. Flaws have been identified in the way oqs-provider handles lengths decoded with DECODEUINT32 at the start of...

OPENSUSE-SU-2024:14039-1 liboqs-devel-0.10.1-1.1 on GA media

These are all security issues fixed in the liboqs-devel-0.10.1-1.1 package on the GA media of openSUSE Tumbleweed...

SUSE CVE-2024-36405

liboqs is a C-language cryptographic library that provides implementations of post-quantum cryptography algorithms. A control-flow timing lean has been identified in the reference implementation of the Kyber key encapsulation mechanism when it is compiled with Clang 15-18 for -Os, -O1, and other...