usn-7872-1
Vulnerability from osv_ubuntu
Published
2025-11-18 14:59
Modified
2026-04-27 14:11
Summary
lasso vulnerabilities
Details

It was discovered that Lasso incorrectly handled certain malformed SAML responses. A remote attacker could possibly use this issue to cause Lasso to crash, resulting in a denial of service. (CVE-2025-46404)

It was discovered that Lasso incorrectly handled certain malformed SAML assertion responses. A remote attacker could possibly use this issue to cause Lasso to crash, resulting in a denial of service. (CVE-2025-46705)

It was discovered that Lasso incorrectly handled certain malformed SAML responses. A remote attacker could possibly use this issue to cause Lasso to consume memory, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. (CVE-2025-46784)

It was discovered that Lasso incorrectly handled certain malformed SAML responses. A remote attacker could use this issue to cause Lasso to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2025-47151)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-46404",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-46705",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-46784",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-47151",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "liblasso-perl",
            "binary_version": "2.7.0-2ubuntu0.1"
          },
          {
            "binary_name": "liblasso3",
            "binary_version": "2.7.0-2ubuntu0.1"
          },
          {
            "binary_name": "python3-lasso",
            "binary_version": "2.7.0-2ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "lasso",
        "purl": "pkg:deb/ubuntu/lasso@2.7.0-2ubuntu0.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.7.0-2ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.6.1-3build1",
        "2.6.1-3build3",
        "2.7.0-1",
        "2.7.0-2",
        "2.7.0-2build1",
        "2.7.0-2build2",
        "2.7.0-2build3"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-46404",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-46705",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-47151",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:24.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "liblasso-perl",
            "binary_version": "2.8.2-2ubuntu0.1"
          },
          {
            "binary_name": "liblasso3t64",
            "binary_version": "2.8.2-2ubuntu0.1"
          },
          {
            "binary_name": "python3-lasso",
            "binary_version": "2.8.2-2ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "lasso",
        "purl": "pkg:deb/ubuntu/lasso@2.8.2-2ubuntu0.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.8.2-2ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.8.1-1",
        "2.8.1-1build1",
        "2.8.1-2",
        "2.8.2-1",
        "2.8.2-1build1",
        "2.8.2-2build1",
        "2.8.2-2build2"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that Lasso incorrectly handled certain malformed SAML\nresponses. A remote attacker could possibly use this issue to cause Lasso\nto crash, resulting in a denial of service. (CVE-2025-46404)\n\nIt was discovered that Lasso incorrectly handled certain malformed SAML\nassertion responses. A remote attacker could possibly use this issue to\ncause Lasso to crash, resulting in a denial of service. (CVE-2025-46705)\n\nIt was discovered that Lasso incorrectly handled certain malformed SAML\nresponses. A remote attacker could possibly use this issue to cause Lasso\nto consume memory, resulting in a denial of service. This issue only\naffected Ubuntu 22.04 LTS. (CVE-2025-46784)\n\nIt was discovered that Lasso incorrectly handled certain malformed SAML\nresponses. A remote attacker could use this issue to cause Lasso to crash,\nresulting in a denial of service, or possibly execute arbitrary code.\n(CVE-2025-47151)",
  "id": "USN-7872-1",
  "modified": "2026-04-27T14:11:46Z",
  "published": "2025-11-18T14:59:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7872-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-46404"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-46705"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-46784"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-47151"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "lasso vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2025-46404",
    "UBUNTU-CVE-2025-46705",
    "UBUNTU-CVE-2025-46784",
    "UBUNTU-CVE-2025-47151"
  ]
}



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