VULNERABILITY INTELLIGENCE

CVE-2015-0837

CVSS score5.9 MEDIUM
EPSS probability1.95%
CISA KEVNot currently listed
Published2019-11-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

The mpi_powm function in Libgcrypt before 1.6.3 and GnuPG before 1.4.19 allows attackers to obtain sensitive information by leveraging timing differences when accessing a pre-computed table during modular exponentiation, related to a "Last-Level Cache Side-Channel Attack."

Weakness classification

  • CWE-203: Observable Discrepancy

Primary references