VDB
JLSEC-2026-123
JLSEC-2026-123
PUBLISHED
CVSS 5 MEDIUM
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-channel attack against `mpi_powm`, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP.
Risk Scores
CVSS 2.0
5
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Julia | Libgcrypt_jll | 0, 0 |
| Julia | Libgcrypt_jll | 0 |
Timeline
- Apr 17, 2026 CVE Published
- Jul 25, 2026 CVE Updated
References
- https://dev.gnupg.org/T5305 url
- https://dev.gnupg.org/T5328 url
- https://dev.gnupg.org/T5466 url
- https://dev.gnupg.org/rCe8b7f10be275bcedb5fc05ed4837a89bfd605c61 url
- https://lists.debian.org/debian-lts-announce/2021/06/msg00021.html url
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BKKTOIGFW2SGN3DO2UHHVZ7MJSYN4AAB/ url
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R7OAPCUGPF3VLA7QAJUQSL255D4ITVTL/ url
- https://security.gentoo.org/glsa/202210-13 url
- https://www.oracle.com/security-alerts/cpuapr2022.html url
- https://www.oracle.com/security-alerts/cpujan2022.html url
- https://www.oracle.com/security-alerts/cpujul2022.html url
- https://www.oracle.com/security-alerts/cpuoct2021.html url