Legion of the Bouncy Castle Java Cryptography API Bleichenbacher Oracle Vulnerability
The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as used in Crypto Provider Package before 1.36, has unknown impact and remote attack vectors related to "a Bleichenbacher vulnerability in simple RSA CMS signatures without signed attributes."
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | bouncycastle:bcprov-jdk14 | < 1.38 | 1.38 |
| Java / Kotlin (Maven) | bouncycastle:bcprov-jdk15 | < 1.38 | 1.38 |
| Java / Kotlin (Maven) | bouncycastle:bcprov-jdk16 | < 1.38 | 1.38 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2007-6721
- https://github.com/bcgit/bc-java
- https://web.archive.org/web/20071022023551/http://www.bouncycastle.org/csharp
- https://web.archive.org/web/20080316202318/http://www.bouncycastle.org:80/releasenotes.html
- http://www.bouncycastle.org/devmailarchive/msg08195.html
- Weakness (CWE)
CWE-203- Platform
- Java / Kotlin (Maven)
- Package
bouncycastle:bcprov-jdk14, bouncycastle:bcprov-jdk15, bouncycastle:bcprov-jdk16- Disclosed
- 01.05.2022
- Updated
- 11.10.2026 11:20
Sources and licenses
OSV / GitHub Advisory Database - GHSA-m26p-m559-g5j5 - CC BY 4.0
Vulnerability history: bouncycastle:bcprov-jdk14
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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