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bouncycastle — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2007-6721

The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as used in Crypto Provider Package before 1.36, has unknown impact and remote attack vectors related to "a Bleichenbacher vulnerability in simple RSA CMS signatures without signed attributes."

Products
bouncycastle
Affected versions
Not specified
Fixed versions
1.38-1
CVEs
CVE-2007-6721
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 15:55 UTC · Revision 1

Source evidence

DEBIAN-CVE-2007-6721

core-osv · Original source

Published 30 Mar 2009, 01:30 UTC

The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as used in Crypto Provider Package before 1.36, has unknown impact and remote attack vectors related to "a Bleichenbacher vulnerability in simple RSA CMS signatures without signed attributes."

osv:DEBIAN-CVE-2007-6721

bouncycastle

Fixed versions: 1.38-1

bouncycastle

Fixed versions: 1.38-1

bouncycastle

Fixed versions: 1.38-1

Complete source record
{
  "id": "edcb1b8b1c0542a33e51ba836e2ee470e14d08297fee3217fb66d36c62e026f2",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2007-6721",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2007-6721",
    "summary": "The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as used in Crypto Provider Package before 1.36, has unknown impact and remote attack vectors related to \"a Bleichenbacher vulnerability in simple RSA CMS signatures without signed attributes.\"",
    "evidence": "osv:DEBIAN-CVE-2007-6721",
    "products": [
      {
        "name": {
          "value": "bouncycastle",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.38-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "bouncycastle",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.38-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "bouncycastle",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.38-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "DEBIAN-CVE-2007-6721",
      "aliases": [
        "DEBIAN-CVE-2007-6721"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.38-1"
                }
              ]
            }
          ],
          "package": {
            "name": "bouncycastle",
            "purl": "pkg:deb/debian/bouncycastle?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-6721.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.38-1"
                }
              ]
            }
          ],
          "package": {
            "name": "bouncycastle",
            "purl": "pkg:deb/debian/bouncycastle?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-6721.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.38-1"
                }
              ]
            }
          ],
          "package": {
            "name": "bouncycastle",
            "purl": "pkg:deb/debian/bouncycastle?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-6721.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-21T17:47:45.235925853Z",
      "provider": "osv",
      "upstream": [
        "CVE-2007-6721"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2007-6721"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2007-6721",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 398562,
  "published_at": "2009-03-30T01:30:00.217+00:00"
}