AIKIDO-2026-312722
bcmls-jdk18on is vulnerable to Uncontrolled Resource Consumption
75
High Risk
This Affects:
bcmls-jdk18onTL;DR
MLS membership checks treat a wire-format unsigned leaf index as a signed value, so an out-of-range sender enters non-terminating tree-path processing and exhausts memory. The fix converts leaf indexes to unsigned values before both membership comparisons.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you process MLS private messages or Remove proposals from group members.
Background info
bcmls-jdk18on is vulnerable to Uncontrolled Resource Consumption in versions 1.78 - 1.85.
How to fix this
Upgrade the bcmls-jdk18on library to the patch version.
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