Rapid7

vulnerability

VMware Photon OS: CVE-2021-33560

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
Jun 8, 2021
Added
Jan 20, 2025
Modified
Mar 25, 2026

Description

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.

Solution

vmware-photon_os_update_tdnf
Title
Rapid7 Labs

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