MEDIUM 4.8 Microsoft
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.
Microsoft Security Update 2026-Apr: Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.
Affected Products
- azl3 libgcrypt 1.10.3-1 on Azure Linux 3.0
- cbl2 libgcrypt 1.10.3-1 on CBL Mariner 2.0
- azl3 libgcrypt 1.10.3-2 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41989
- https://nvd.nist.gov/vuln/detail/CVE-2026-41989
This medium severity vulnerability with a CVSS score of 4.8 was published on 2026-04-14 via Microsoft. Affected: azl3 libgcrypt 1.10.3-1 on Azure Linux 3.0, cbl2 libgcrypt 1.10.3-1 on CBL Mariner 2.0, azl3 libgcrypt 1.10.3-2 on Azure Linux 3.0.
vulnfeed aggregates 14156 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.