CVE-2024-30171 Affecting bouncycastle package, versions <1.61-1ubuntu0.1~esm1


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.9% (55th percentile)

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  • Snyk IDSNYK-UBUNTU2004-BOUNCYCASTLE-6673870
  • published4 Mar 2026
  • disclosed14 May 2024

Introduced: 14 May 2024

CVE-2024-30171  (opens in a new tab)

How to fix?

Upgrade Ubuntu:20.04 bouncycastle to version 1.61-1ubuntu0.1~esm1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bouncycastle package and not the bouncycastle package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

An issue was discovered in Bouncy Castle Java TLS API and JSSE Provider before 1.78. Timing-based leakage may occur in RSA based handshakes because of exception processing.

CVSS Base Scores

version 3.1