Legion of the Bouncy Castle Legion of the Bouncy Castle Java Cryptography APIs 1.58 up to but not including 1.60 contains a CWE-470: Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in XMSS/XMSS^MT private key deserialization that can result in Deserializing an XMSS/XMSS^MT private key can result in the execution of unexpected code. This attack appear to be exploitable via A handcrafted private key can include references to unexpected classes which will be picked up from the class path for the executing application. This vulnerability appears to have been fixed in 1.60 and later.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade bouncycastle | Jul 30, 2024 | Jul 9, 2018 |
| Freebsd | — | Upgrade puppetserver6Upgrade bouncycastleUpgrade puppetserverUpgrade puppetserver5Upgrade bouncycastle15 | Jul 16, 2018 | Jul 15, 2018 |
| Suse | — | Upgrade bouncycastleUpgrade bouncycastle-pgUpgrade bouncycastle-javadoc | Jul 29, 2018 | Jul 9, 2018 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Jul 9, 2018 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub