Intel/AIKIDO-2026-10630
bcprov-jdk18on
AIKIDO-2026-10630
bcprov-jdk18on is vulnerable to Observable Timing Discrepancy
Observable Timing DiscrepancyCVE-2026-5598 Published Apr 28, 2026
89
High Risk
This Affects:
bcprov-jdk18on1.71 - 1.83
Fixed in 1.84Are you affected? Scan for Free
TL;DR
A covert timing channel vulnerability exists in Legion of the Bouncy Castle Inc. BC-JAVA core across all core modules. The issue is associated with the FrodoEngine.java component and affects BC-JAVA versions 1.71 through 1.83, fixed in 1.84.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
bcprov-jdk18on is vulnerable to Observable Timing Discrepancy in versions 1.71 - 1.83.
How to fix this
Upgrade the org.bouncycastle:bcprov-jdk18on library to the patch version.
Links
Fix Commits
github.com/bcgit/bc-java/commit/8692e6b2b191fc4aafa32545c7a78bdb9bf110c5https://github.com/bcgit/bc-java/commit/8692e6b2b191fc4aafa32545c7a78bdb9bf110c5
github.com/bcgit/bc-java/commit/94abbd56413dfdac651fd878bc60253871ef5e87https://github.com/bcgit/bc-java/commit/94abbd56413dfdac651fd878bc60253871ef5e87
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