usn-6584-2
Vulnerability from osv_ubuntu
Published
2024-02-21 10:40
Modified
2026-06-25 10:46
Summary
libspf2 vulnerabilities
Details

USN-6584-1 fixed several vulnerabilities in Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. This update provides the corresponding updates for CVE-2021-33912 and CVE-2021-33913 in Ubuntu 16.04 LTS.

We apologize for the inconvenience.

Original advisory details:

Philipp Jeitner and Haya Shulman discovered that Libspf2 incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2021-20314)

It was discovered that Libspf2 incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-33912, CVE-2021-33913)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-33912",
              "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"
                }
              ]
            },
            {
              "id": "CVE-2021-33913",
              "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:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "libmail-spf-xs-perl",
            "binary_version": "1.2.10-6ubuntu0.1~esm2"
          },
          {
            "binary_name": "libspf2-2",
            "binary_version": "1.2.10-6ubuntu0.1~esm2"
          },
          {
            "binary_name": "spfquery",
            "binary_version": "1.2.10-6ubuntu0.1~esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "libspf2",
        "purl": "pkg:deb/ubuntu/libspf2@1.2.10-6ubuntu0.1~esm2?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.2.10-6ubuntu0.1~esm2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.2.10-6",
        "1.2.10-6build1",
        "1.2.10-6ubuntu0.1~esm1"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-6584-1 fixed several vulnerabilities in Ubuntu 18.04 LTS and\nUbuntu 20.04 LTS. This update provides the corresponding updates for\nCVE-2021-33912 and CVE-2021-33913 in Ubuntu 16.04 LTS.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n Philipp Jeitner and Haya Shulman discovered that Libspf2 incorrectly handled\n certain inputs. If a user or an automated system were tricked into opening a\n specially crafted input file, a remote attacker could possibly use this issue\n to cause a denial of service or execute arbitrary code. (CVE-2021-20314)\n \n It was discovered that Libspf2 incorrectly handled certain inputs. If a user or\n an automated system were tricked into opening a specially crafted input file, a\n remote attacker could possibly use this issue to cause a denial of service or\n execute arbitrary code. This issue only affected Ubuntu 18.04 LTS and \n Ubuntu 20.04 LTS. (CVE-2021-33912, CVE-2021-33913)\n",
  "id": "USN-6584-2",
  "modified": "2026-06-25T10:46:18Z",
  "published": "2024-02-21T10:40:23Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6584-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-33912"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-33913"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "libspf2 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2021-33912",
    "UBUNTU-CVE-2021-33913"
  ]
}



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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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