Debian/bouncycastle: high 7.5
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.
Action: Upgrade bouncycastle to 1.86-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.86-1 | - |
Fixed versions
| 1.86-1 |
Sources
- osv: DEBIAN-CVE-2026-12803#Debian:14/bouncycastle
- https://security-tracker.debian.org/tracker/CVE-2026-12803
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