ubuntu-cve-2019-16791
Vulnerability from osv_ubuntu
Published
2020-01-22 02:15
Modified
2026-05-20 14:51
Summary
Details

In postfix-mta-sts-resolver before 0.5.1, All users can receive incorrect response from daemon under rare conditions, rendering downgrade of effective STS policy.

Severity
6.9 (Medium)
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "postfix-mta-sts-resolver",
            "binary_version": "0.7.5-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "postfix-mta-sts-resolver",
        "purl": "pkg:deb/ubuntu/postfix-mta-sts-resolver@0.7.5-1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.6.0-1",
        "0.7.0-1",
        "0.7.3-1",
        "0.7.5-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "postfix-mta-sts-resolver",
            "binary_version": "1.1.2-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "postfix-mta-sts-resolver",
        "purl": "pkg:deb/ubuntu/postfix-mta-sts-resolver@1.1.2-1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.0-4",
        "1.1.2-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "postfix-mta-sts-resolver",
            "binary_version": "1.1.2-1.1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "postfix-mta-sts-resolver",
        "purl": "pkg:deb/ubuntu/postfix-mta-sts-resolver@1.1.2-1.1ubuntu0.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.1.2-1.1",
        "1.1.2-1.1ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "postfix-mta-sts-resolver",
            "binary_version": "1.5.0-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "postfix-mta-sts-resolver",
        "purl": "pkg:deb/ubuntu/postfix-mta-sts-resolver@1.5.0-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.5.0-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "postfix-mta-sts-resolver",
            "binary_version": "1.5.0-1build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "postfix-mta-sts-resolver",
        "purl": "pkg:deb/ubuntu/postfix-mta-sts-resolver@1.5.0-1build1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.5.0-1",
        "1.5.0-1build1"
      ]
    }
  ],
  "aliases": [],
  "details": "In postfix-mta-sts-resolver before 0.5.1, All users can receive incorrect response from daemon under rare conditions, rendering downgrade of effective STS policy.",
  "id": "UBUNTU-CVE-2019-16791",
  "modified": "2026-05-20T14:51:35Z",
  "published": "2020-01-22T02:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-16791"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/Snawoot/postfix-mta-sts-resolver/security/advisories/GHSA-h92m-42h4-82f6"
    },
    {
      "type": "REPORT",
      "url": "https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6b"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2019-16791"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2019-16791"
  ]
}



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