A AegiFlow
HIGHCVSS 7.5

CVE-2021-33560

CVE-2021-33560 updated by NVD

Modified
2026-10-16
Sources
nvd

Summary

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.

References

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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