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freeradius — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-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 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.

Products
freeradius
Affected versions
Not specified
Fixed versions
1.1.6-1
CVEs
CVE-2007-2028
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 15:46 UTC · Revision 1

Source evidence

DEBIAN-CVE-2007-2028

core-osv · Original source

Published 13 Apr 2007, 18:19 UTC

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.

osv:DEBIAN-CVE-2007-2028

freeradius

Fixed versions: 1.1.6-1

freeradius

Fixed versions: 1.1.6-1

freeradius

Fixed versions: 1.1.6-1

Complete source record
{
  "id": "55a239da8a657f448946c950e6d776ff7bef1fb4db82e0cc9c4b8b068a2f4fa3",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2007-2028",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2007-2028",
    "summary": "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.",
    "evidence": "osv:DEBIAN-CVE-2007-2028",
    "products": [
      {
        "name": {
          "value": "freeradius",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.1.6-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "freeradius",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.1.6-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "freeradius",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.1.6-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "DEBIAN-CVE-2007-2028",
      "aliases": [
        "DEBIAN-CVE-2007-2028"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.1.6-1"
                }
              ]
            }
          ],
          "package": {
            "name": "freeradius",
            "purl": "pkg:deb/debian/freeradius?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-2028.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.1.6-1"
                }
              ]
            }
          ],
          "package": {
            "name": "freeradius",
            "purl": "pkg:deb/debian/freeradius?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-2028.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.1.6-1"
                }
              ]
            }
          ],
          "package": {
            "name": "freeradius",
            "purl": "pkg:deb/debian/freeradius?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-2028.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        }
      ],
      "modified": "2026-10-21T17:47:38.173286714Z",
      "provider": "osv",
      "upstream": [
        "CVE-2007-2028"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2007-2028"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2007-2028",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 398393,
  "published_at": "2007-04-13T18:19:00+00:00"
}