CVE-2007-2028
MEDIUM · CVSS 5.0EPSS 2.5%EU EUVD
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.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- EPSS score
- 2.5% (85th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2007-2023)
- Published
- April 13, 2007
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2007-2023 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- freeradius / freeradius
References
- http://rhn.redhat.com/errata/RHSA-2007-0338.html
- http://secunia.com/advisories/24849
- http://secunia.com/advisories/24907
- http://secunia.com/advisories/24917
- http://secunia.com/advisories/24996
- http://secunia.com/advisories/25201
- http://secunia.com/advisories/25220
- http://security.gentoo.org/glsa/glsa-200704-14.xml
- http://www.freeradius.org/security.html
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:085
- http://www.novell.com/linux/security/advisories/2007_10_sr.html
- http://www.securityfocus.com/bid/23466
- http://www.securitytracker.com/id?1018042
- http://www.trustix.org/errata/2007/0013/
- http://www.vupen.com/english/advisories/2007/1369
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11156
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain