Security Advisory

CVE-2026-12803

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-03 02:52:20

Last updated 2026-08-03 15:22:55

Assigner bcorg

CVSS score not scored

State PUBLISHED

Description

In Bouncy Castle for Java before 1.85, KCCMBlockCipher MAC does not bind nonce when AAD is absent (cross-nonce AEAD forgery). This issue also affects Bouncy Castle for Java LTS before 2.73.12.

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