Race Condition Affecting bouncycastle package, versions <1.68-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
1.52% (72nd percentile)

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  • Snyk IDSNYK-ECHOLATEST-BOUNCYCASTLE-18388289
  • published29 Jul 2026
  • disclosed20 May 2021

Introduced: 20 May 2021

CVE-2020-15522  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Echo:latest bouncycastle to version 1.68-1 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 Echo. See How to fix? for Echo:latest relevant fixed versions and status.

Bouncy Castle BC Java before 1.66, BC C# .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have a timing issue within the EC math library that can expose information about the private key when an attacker is able to observe timing information for the generation of multiple deterministic ECDSA signatures.

CVSS Base Scores

version 3.1