8.7
High
CVE-2026-12803 In Bouncy Castle for Java before 1.85, KCCMBlockCipher MAC does not bind nonce when AAD is absent (cross-nonce AEAD…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| BC-JAVA 1.85 | earliest → < 1.85 | 1.85 |
| BC-LTS-JAVA 2.73 | 2.73.0 → < 2.73.12 | 2.73.12 |
References
- github.com github.com
- github.com github.com
- github.com github.com
Timeline
- Published
- Last modified
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