VDB
DEBIAN-CVE-2021-33560
DEBIAN-CVE-2021-33560
PUBLISHED
CVSS 7.5 HIGH
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 v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | libgcrypt20 | 0, 0, 0 |
| Debian:12 | libgcrypt20 | 0, 0, 0 |
| Debian:13 | libgcrypt20 | 0, 0, 0 |
| Debian:11 | libgcrypt20 | 1.10.2-3, 1.10.3-1, 1.10.3-2 |
Timeline
- Jun 8, 2021 CVE Published
- Apr 28, 2026 CVE Updated