Bouncy Castle Uncontrolled Resource Consumption vulnerability
Allocation of resources without limits or throttling vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpg on all (pg modules). This issue affects BC-JAVA before 1.84.
Unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.bouncycastle:bcpg-jdk12 | <= 130 | no fix |
| Java / Kotlin (Maven) | org.bouncycastle:bcpg-jdk14 | < 1.84 | 1.84 |
| Java / Kotlin (Maven) | org.bouncycastle:bcpg-jdk15 | <= 1.46 | no fix |
| Java / Kotlin (Maven) | org.bouncycastle:bcpg-jdk15on | <= 1.70 | no fix |
| Java / Kotlin (Maven) | org.bouncycastle:bcpg-jdk15to18 | < 1.84 | 1.84 |
| Java / Kotlin (Maven) | org.bouncycastle:bcpg-jdk16 | <= 1.46 | no fix |
| Java / Kotlin (Maven) | org.bouncycastle:bcpg-jdk18on | < 1.84 | 1.84 |
References
- CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N- Weakness (CWE)
CWE-400- Platform
- Java / Kotlin (Maven)
- Package
org.bouncycastle:bcpg-jdk12, org.bouncycastle:bcpg-jdk14, org.bouncycastle:bcpg-jdk15- Disclosed
- 17.04.2026
- Updated
- 11.10.2026 13:20
Sources and licenses
OSV / GitHub Advisory Database - GHSA-cj8j-37rh-8475 - CC BY 4.0
Vulnerability history: org.bouncycastle:bcpg-jdk12
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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