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openssl — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2009-1378

Multiple memory leaks in the dtls1_process_out_of_seq_message function in ssl/d1_both.c in OpenSSL 0.9.8k and earlier 0.9.8 versions allow remote attackers to cause a denial of service (memory consumption) via DTLS records that (1) are duplicates or (2) have sequence numbers much greater than current sequence numbers, aka "DTLS fragment handling memory leak."

Products
openssl
Affected versions
Not specified
Fixed versions
0.9.8k-1
CVEs
CVE-2009-1378
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 23:01 UTC · Revision 1

Source evidence

DEBIAN-CVE-2009-1378

core-osv · Original source

Published 19 May 2009, 19:30 UTC

Multiple memory leaks in the dtls1_process_out_of_seq_message function in ssl/d1_both.c in OpenSSL 0.9.8k and earlier 0.9.8 versions allow remote attackers to cause a denial of service (memory consumption) via DTLS records that (1) are duplicates or (2) have sequence numbers much greater than current sequence numbers, aka "DTLS fragment handling memory leak."

osv:DEBIAN-CVE-2009-1378

openssl

Fixed versions: 0.9.8k-1

openssl

Fixed versions: 0.9.8k-1

openssl

Fixed versions: 0.9.8k-1

Complete source record
{
  "id": "81e5d39b02f64adf06a7edb0d732572013d50ebeb0e4fb8da350cf646db9af0c",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2009-1378",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2009-1378",
    "summary": "Multiple memory leaks in the dtls1_process_out_of_seq_message function in ssl/d1_both.c in OpenSSL 0.9.8k and earlier 0.9.8 versions allow remote attackers to cause a denial of service (memory consumption) via DTLS records that (1) are duplicates or (2) have sequence numbers much greater than current sequence numbers, aka \"DTLS fragment handling memory leak.\"",
    "evidence": "osv:DEBIAN-CVE-2009-1378",
    "products": [
      {
        "name": {
          "value": "openssl",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.9.8k-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openssl",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.9.8k-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openssl",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.9.8k-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "DEBIAN-CVE-2009-1378",
      "aliases": [
        "DEBIAN-CVE-2009-1378"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.9.8k-1"
                }
              ]
            }
          ],
          "package": {
            "name": "openssl",
            "purl": "pkg:deb/debian/openssl?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-1378.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.9.8k-1"
                }
              ]
            }
          ],
          "package": {
            "name": "openssl",
            "purl": "pkg:deb/debian/openssl?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-1378.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.9.8k-1"
                }
              ]
            }
          ],
          "package": {
            "name": "openssl",
            "purl": "pkg:deb/debian/openssl?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-1378.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        }
      ],
      "modified": "2026-10-23T17:47:32.782053909Z",
      "provider": "osv",
      "upstream": [
        "CVE-2009-1378"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2009-1378"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2009-1378",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 417543,
  "published_at": "2009-05-19T19:30:00.75+00:00"
}