medium6.7
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.
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Gnupg | Libgcrypt | from 1.8.8 before 1.10.4 from 1.11.0 before 1.11.3 from 1.12.0 before 1.12.2 |
Weakness classification
References
- NVD record
- CVE.org record
- https://dev.gnupg.org/T8211
- https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html
- https://www.openwall.com/lists/oss-security/2026/04/21/1
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- https://cert-portal.siemens.com/productcert/html/ssa-457936.html