Multiple Vulnerabilities in libgcrypt Affecting Cryptographic Functions
Severity: Medium (Score: 42.9)
Sources: launchpad.net
Published: · Updated:
Keywords: algorithms, libgcrypt, contains, cryptographic, functions, many, important
Summary
On May 27, 2026, multiple versions of the libgcrypt library were released, addressing vulnerabilities in cryptographic functions. These updates include versions 1.12.0-2ubuntu0.1, 1.11.0-7ubuntu0.1, 1.10.3-2ubuntu0.1, and 1.9.4-3ubuntu3.2, which contain various cryptographic algorithms. The vulnerabilities could potentially allow for exploitation if not patched. Users of affected systems, particularly those using Ubuntu, are advised to update to the latest versions to mitigate risks. The updates include fixes for known issues, but specific CVEs were not detailed in the articles. The scope of impact primarily affects developers and applications relying on libgcrypt for cryptographic operations. Current status indicates that the updates are available and should be applied promptly. No active exploitation has been reported at this time. Key Points: • Multiple versions of libgcrypt released on May 27, 2026, addressing vulnerabilities. • Affected users are primarily those using Ubuntu and applications relying on libgcrypt. • No specific CVEs were detailed, but updates should be applied to mitigate risks.
Detailed Analysis
**Impact** The vulnerabilities affect all users of libgcrypt, a widely used cryptographic library implementing numerous ciphers, hash algorithms, and public key signing algorithms. This includes software across multiple sectors relying on cryptographic functions for data protection, authentication, and secure communications globally. The potential scope includes compromised confidentiality and integrity of sensitive data where libgcrypt is deployed, impacting systems that use encryption standards such as AES, RSA, ECDSA, and others. **Technical Details** The articles do not specify the exact attack vectors, exploited CVEs, or malware/tools associated with the vulnerabilities. The issues pertain to multiple cryptographic functions within libgcrypt versions ranging from 1.9.4 to 1.12.0, affecting a broad set of cryptographic algorithms and modes. No indicators of compromise (IOCs) or infrastructure details are provided. **Recommended Response** Apply the updated libgcrypt packages immediately, specifically versions 1.12.0-2ubuntu0.1, 1.11.0-7ubuntu0.1, 1.10.3-2ubuntu0.1, or 1.9.4-3ubuntu3.2 as released on 2026-05-27. Monitor cryptographic operations for anomalies and ensure software depending on libgcrypt is rebuilt or updated to use patched libraries. In absence of detailed IOCs, focus on patch management and verifying cryptographic integrity in affected systems.
Source articles (4)
- 1.12.0-2ubuntu0.1 — launchpad.net · 2026-05-27
libgcrypt contains cryptographic functions. Many important free ciphers, hash algorithms and public key signing algorithms have been implemented: . AES, Arcfour, Blowfish, Camellia, CAST5, ChaCha20 DE… - 1.11.0-7ubuntu0.1 — launchpad.net · 2026-05-27
libgcrypt contains cryptographic functions. Many important free ciphers, hash algorithms and public key signing algorithms have been implemented: . Arcfour, Blowfish, CAST5, DES, AES, Twofish, Serpent… - 1.10.3-2ubuntu0.1 — launchpad.net · 2026-05-27
libgcrypt contains cryptographic functions. Many important free ciphers, hash algorithms and public key signing algorithms have been implemented: . Arcfour, Blowfish, CAST5, DES, AES, Twofish, Serpent… - 1.9.4-3ubuntu3.2 — launchpad.net · 2026-05-27
libgcrypt contains cryptographic functions. Many important free ciphers, hash algorithms and public key signing algorithms have been implemented: . Arcfour, Blowfish, CAST5, DES, AES, Twofish, Serpent…
Timeline
- 2026-05-27 — libgcrypt versions released: Versions 1.12.0-2ubuntu0.1, 1.11.0-7ubuntu0.1, 1.10.3-2ubuntu0.1, and 1.9.4-3ubuntu3.2 were released to address vulnerabilities.
- 2026-05-27 — Users advised to update: Developers and users of affected systems are urged to apply the latest updates to mitigate potential risks.