Denial of service in Bouncy Castle

Published: 2019-10-24 | Updated: 2019-10-24
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-17359
Exploitation vector Network
Public exploit N/A
Vulnerable software
The Bouncy Castle Crypto Package For Java
Universal components / Libraries / Libraries used by multiple products

Vendor Legion of the Bouncy Castle Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Memory leak

EUVDB-ID: #VU22272

Risk: Medium


CVE-ID: CVE-2019-17359


Exploit availability:


The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in the ASN.1 parser. A remote attacker can send a specially crafted ASN.1 data and cause an OutOfMemoryError and perform denial of service attack.


Install updates from vendor's website.

Vulnerable software versions

The Bouncy Castle Crypto Package For Java: 1.63

Fixed software versions

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?