libcrypto++ — security advisory

{
  "id": "231e6bb11f72f20b8b57660183b9f6c634b40319d385254c95c1d115c10bfac3",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-50979",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2023-50979",
    "summary": "Crypto++ (aka cryptopp) through 8.9.0 has a Marvin side channel during decryption with PKCS#1 v1.5 padding.",
    "evidence": "osv:DEBIAN-CVE-2023-50979",
    "products": [
      {
        "name": {
          "value": "libcrypto++",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "8.7.0+git220824-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "8.8.0-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "8.8.0-2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "8.9.0-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "8.9.0-1.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "8.9.0-1.1~exp1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "8.9.0-2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "8.9.0-3",
            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
          "value": "libcrypto++",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "8.9.0-2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "8.9.0-3",
            "evidence": "/affected/1/versions"
          }
        ]
      },
      {
        "name": {
          "value": "libcrypto++",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "8.9.0-2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "8.9.0-3",
            "evidence": "/affected/2/versions"
          }
        ]
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "DEBIAN-CVE-2023-50979",
      "aliases": [
        "DEBIAN-CVE-2023-50979"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "libcrypto++",
            "purl": "pkg:deb/debian/libcrypto%2B%2B?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "versions": [
            "8.7.0+git220824-1",
            "8.8.0-1",
            "8.8.0-2",
            "8.9.0-1",
            "8.9.0-1.1",
            "8.9.0-1.1~exp1",
            "8.9.0-2",
            "8.9.0-3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-50979.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "libcrypto++",
            "purl": "pkg:deb/debian/libcrypto%2B%2B?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "versions": [
            "8.9.0-2",
            "8.9.0-3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-50979.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "libcrypto++",
            "purl": "pkg:deb/debian/libcrypto%2B%2B?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "versions": [
            "8.9.0-2",
            "8.9.0-3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-50979.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-26T18:03:07.140349775Z",
      "provider": "osv",
      "upstream": [
        "CVE-2023-50979"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2023-50979"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2023-50979",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 457719,
  "published_at": "2023-12-18T04:15:50.97+00:00"
}