usn-5037-1
Vulnerability from osv_ubuntu
Published
2021-08-11 19:25
Modified
2026-04-22 07:37
Summary
firefox vulnerabilities
Details

Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, trick a user into accepting unwanted permissions, or execute arbitrary code.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-29980",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-29981",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-29982",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-29984",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-29985",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-29986",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-29987",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-29988",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-29989",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-29990",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "firefox",
            "binary_version": "91.0+build2-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "firefox-geckodriver",
            "binary_version": "91.0+build2-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "firefox-mozsymbols",
            "binary_version": "91.0+build2-0ubuntu0.18.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "firefox",
        "purl": "pkg:deb/ubuntu/firefox@91.0+build2-0ubuntu0.18.04.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "91.0+build2-0ubuntu0.18.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "56.0+build6-0ubuntu1",
        "57.0.1+build2-0ubuntu1",
        "59.0.1+build1-0ubuntu1",
        "59.0.2+build1-0ubuntu1",
        "60.0+build2-0ubuntu1",
        "60.0.1+build2-0ubuntu0.18.04.1",
        "60.0.2+build1-0ubuntu0.18.04.1",
        "61.0+build3-0ubuntu0.18.04.1",
        "61.0.1+build1-0ubuntu0.18.04.1",
        "62.0+build2-0ubuntu0.18.04.3",
        "62.0+build2-0ubuntu0.18.04.4",
        "62.0+build2-0ubuntu0.18.04.5",
        "62.0.3+build1-0ubuntu0.18.04.1",
        "63.0+build2-0ubuntu0.18.04.2",
        "63.0.3+build1-0ubuntu0.18.04.1",
        "64.0+build3-0ubuntu0.18.04.1",
        "65.0+build2-0ubuntu0.18.04.1",
        "65.0.1+build2-0ubuntu0.18.04.1",
        "66.0+build3-0ubuntu0.18.04.1",
        "66.0.1+build1-0ubuntu0.18.04.1",
        "66.0.2+build1-0ubuntu0.18.04.1",
        "66.0.3+build1-0ubuntu0.18.04.1",
        "66.0.4+build3-0ubuntu0.18.04.1",
        "66.0.5+build1-0ubuntu0.18.04.1",
        "67.0+build2-0ubuntu0.18.04.1",
        "67.0.1+build1-0ubuntu0.18.04.1",
        "67.0.2+build2-0ubuntu0.18.04.1",
        "67.0.3+build1-0ubuntu0.18.04.1",
        "67.0.4+build1-0ubuntu0.18.04.1",
        "68.0+build3-0ubuntu0.18.04.1",
        "68.0.1+build1-0ubuntu0.18.04.1",
        "68.0.2+build1-0ubuntu0.18.04.1",
        "69.0+build2-0ubuntu0.18.04.1",
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        "69.0.2+build1-0ubuntu0.18.04.1",
        "70.0+build2-0ubuntu0.18.04.1",
        "70.0.1+build1-0ubuntu0.18.04.1",
        "71.0+build5-0ubuntu0.18.04.1",
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        "72.0.2+build1-0ubuntu0.18.04.1",
        "73.0+build3-0ubuntu0.18.04.1",
        "73.0.1+build1-0ubuntu0.18.04.1",
        "74.0+build3-0ubuntu0.18.04.1",
        "74.0.1+build1-0ubuntu0.18.04.1",
        "75.0+build3-0ubuntu0.18.04.1",
        "76.0+build2-0ubuntu0.18.04.1",
        "76.0.1+build1-0ubuntu0.18.04.1",
        "77.0.1+build1-0ubuntu0.18.04.1",
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        "78.0.2+build2-0ubuntu0.18.04.1",
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        "82.0+build2-0ubuntu0.18.04.1",
        "82.0.2+build1-0ubuntu0.18.04.1",
        "82.0.3+build1-0ubuntu0.18.04.1",
        "83.0+build2-0ubuntu0.18.04.2",
        "84.0+build3-0ubuntu0.18.04.1",
        "84.0.1+build1-0ubuntu0.18.04.1",
        "84.0.2+build1-0ubuntu0.18.04.1",
        "85.0+build1-0ubuntu0.18.04.1",
        "85.0.1+build1-0ubuntu0.18.04.1",
        "86.0+build3-0ubuntu0.18.04.1",
        "86.0.1+build1-0ubuntu0.18.04.1",
        "87.0+build3-0ubuntu0.18.04.2",
        "88.0+build2-0ubuntu0.18.04.2",
        "88.0.1+build1-0ubuntu0.18.04.2",
        "89.0+build2-0ubuntu0.18.04.2",
        "89.0.1+build1-0ubuntu0.18.04.1",
        "89.0.2+build1-0ubuntu0.18.04.1",
        "90.0+build1-0ubuntu0.18.04.1",
        "90.0.2+build1-0ubuntu0.18.04.1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-29980",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-29981",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-29982",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-29984",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-29985",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-29986",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-29987",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-29988",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-29989",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-29990",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "firefox",
            "binary_version": "91.0+build2-0ubuntu0.20.04.1"
          },
          {
            "binary_name": "firefox-geckodriver",
            "binary_version": "91.0+build2-0ubuntu0.20.04.1"
          },
          {
            "binary_name": "firefox-mozsymbols",
            "binary_version": "91.0+build2-0ubuntu0.20.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "firefox",
        "purl": "pkg:deb/ubuntu/firefox@91.0+build2-0ubuntu0.20.04.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "91.0+build2-0ubuntu0.20.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "69.0.3+build1-0ubuntu1",
        "70.0+build2-0ubuntu1",
        "70.0+build2-0ubuntu2",
        "70.0.1+build1-0ubuntu2",
        "71.0+build2-0ubuntu2",
        "71.0+build5-0ubuntu1",
        "72.0.1+build1-0ubuntu1",
        "72.0.2+build1-0ubuntu1",
        "73.0+build1-0ubuntu1",
        "73.0+build2-0ubuntu1",
        "73.0+build3-0ubuntu1",
        "73.0.1+build1-0ubuntu1",
        "74.0+build1-0ubuntu1",
        "74.0+build2-0ubuntu1",
        "74.0+build2-0ubuntu2",
        "74.0+build3-0ubuntu1",
        "75.0+build3-0ubuntu1",
        "76.0+build2-0ubuntu0.20.04.1",
        "76.0.1+build1-0ubuntu0.20.04.1",
        "77.0.1+build1-0ubuntu0.20.04.1",
        "78.0.1+build1-0ubuntu0.20.04.1",
        "78.0.2+build2-0ubuntu0.20.04.1",
        "79.0+build1-0ubuntu0.20.04.1",
        "80.0+build2-0ubuntu0.20.04.1",
        "80.0.1+build1-0ubuntu0.20.04.1",
        "81.0+build2-0ubuntu0.20.04.1",
        "81.0.2+build1-0ubuntu0.20.04.1",
        "82.0+build2-0ubuntu0.20.04.1",
        "82.0.2+build1-0ubuntu0.20.04.1",
        "82.0.3+build1-0ubuntu0.20.04.1",
        "83.0+build2-0ubuntu0.20.04.1",
        "84.0+build3-0ubuntu0.20.04.1",
        "84.0.1+build1-0ubuntu0.20.04.1",
        "84.0.2+build1-0ubuntu0.20.04.1",
        "85.0+build1-0ubuntu0.20.04.1",
        "85.0.1+build1-0ubuntu0.20.04.1",
        "86.0+build3-0ubuntu0.20.04.1",
        "86.0.1+build1-0ubuntu0.20.04.1",
        "87.0+build3-0ubuntu0.20.04.2",
        "88.0+build2-0ubuntu0.20.04.1",
        "88.0.1+build1-0ubuntu0.20.04.2",
        "89.0+build2-0ubuntu0.20.04.2",
        "89.0.1+build1-0ubuntu0.20.04.1",
        "89.0.2+build1-0ubuntu0.20.04.1",
        "90.0+build1-0ubuntu0.20.04.1",
        "90.0.2+build1-0ubuntu0.20.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Multiple security issues were discovered in Firefox. If a user were\ntricked into opening a specially crafted website, an attacker could\npotentially exploit these to cause a denial of service, obtain sensitive\ninformation, trick a user into accepting unwanted permissions, or execute\narbitrary code.\n",
  "id": "USN-5037-1",
  "modified": "2026-04-22T07:37:00Z",
  "published": "2021-08-11T19:25:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5037-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-29980"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-29981"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-29982"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-29984"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-29985"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-29986"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-29987"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-29988"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-29989"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-29990"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "firefox vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2021-29980",
    "UBUNTU-CVE-2021-29981",
    "UBUNTU-CVE-2021-29982",
    "UBUNTU-CVE-2021-29984",
    "UBUNTU-CVE-2021-29985",
    "UBUNTU-CVE-2021-29986",
    "UBUNTU-CVE-2021-29987",
    "UBUNTU-CVE-2021-29988",
    "UBUNTU-CVE-2021-29989",
    "UBUNTU-CVE-2021-29990"
  ]
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.