CVE-2026-5598 (GCVE-0-2026-5598)

Vulnerability from cvelistv5 – Published: 2026-04-15 09:05 – Updated: 2026-04-15 13:11
VLAI?
Title
Non-constant time comparisons risk private key leakage in FrodoKEM.
Summary
Covert timing channel vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA core on all (core modules). Non-constant time comparisons risk private key leakage in FrodoKEM. This issue affects BC-JAVA: from 2.17.3 before 1.84.
Severity ?
10 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CWE
Assigner
References
Impacted products
Vendor Product Version
Legion of the Bouncy Castle Inc. BC-JAVA Affected: 2.17.3 , < 1.84 (maven)
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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