CVE-2026-12852

Summary

In Bouncy Castle for Java before 1.85, MLS wire decoder allocates attacker-declared opaque length before bounds check.

Affected Software

VendorProductVersion RangeStatus
Legion of the Bouncy Castle Inc.BC-JAVA1.73 < 1.85affected

Weaknesses

  • CWE-789: CWE-789 Memory Allocation with Excessive Size Value

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References