Vulnerability-Lookup

ubuntu-cve-2021-29950

Vulnerability from osv_ubuntu

Published

2021-04-22 14:54

Modified

2026-04-22 07:40

Summary

Details

Thunderbird unprotects a secret OpenPGP key prior to using it for a decryption, signing or key import task. If the task runs into a failure, the secret key may remain in memory in its unprotected state. This vulnerability affects Thunderbird < 78.8.1.

Severity

7.5 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

N/A (UNKNOWN)

low

References

URL

Type

	https://ubuntu.com/security/CVE-2021-29950	REPORT
	https://www.mozilla.org/en-US/security/advisories…	REPORT
	https://access.redhat.com/security/cve/CVE-2021-29950	REPORT
	https://ubuntu.com/security/notices/USN-4936-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2021-29950	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "thunderbird",
            "binary_version": "1:78.8.1+build1-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "thunderbird-gnome-support",
            "binary_version": "1:78.8.1+build1-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "thunderbird-mozsymbols",
            "binary_version": "1:78.8.1+build1-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "xul-ext-calendar-timezones",
            "binary_version": "1:78.8.1+build1-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "xul-ext-gdata-provider",
            "binary_version": "1:78.8.1+build1-0ubuntu0.18.04.1"
          },
          {
            "binary_name": "xul-ext-lightning",
            "binary_version": "1:78.8.1+build1-0ubuntu0.18.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "thunderbird",
        "purl": "pkg:deb/ubuntu/thunderbird@1:78.8.1+build1-0ubuntu0.18.04.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:78.8.1+build1-0ubuntu0.18.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:52.4.0+build1-0ubuntu2",
        "1:52.6.0+build1-0ubuntu1",
        "1:52.7.0+build1-0ubuntu1",
        "1:52.8.0+build1-0ubuntu0.18.04.1",
        "1:52.9.1+build3-0ubuntu0.18.04.1",
        "1:60.2.1+build1-0ubuntu0.18.04.2",
        "1:60.4.0+build2-0ubuntu0.18.04.1",
        "1:60.5.1+build2-0ubuntu0.18.04.1",
        "1:60.6.1+build2-0ubuntu0.18.04.1",
        "1:60.7.0+build1-0ubuntu0.18.04.1",
        "1:60.7.1+build1-0ubuntu0.18.04.1",
        "1:60.7.2+build2-0ubuntu0.18.04.1",
        "1:60.8.0+build1-0ubuntu0.18.04.1",
        "1:60.9.0+build1-0ubuntu0.18.04.1",
        "1:68.2.1+build1-0ubuntu0.18.04.1",
        "1:68.2.2+build1-0ubuntu0.18.04.1",
        "1:68.4.1+build1-0ubuntu0.18.04.1",
        "1:68.7.0+build1-0ubuntu0.18.04.1",
        "1:68.8.0+build2-0ubuntu0.18.04.2",
        "1:68.10.0+build1-0ubuntu0.18.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "thunderbird",
            "binary_version": "1:78.8.1+build1-0ubuntu0.20.04.1"
          },
          {
            "binary_name": "thunderbird-gnome-support",
            "binary_version": "1:78.8.1+build1-0ubuntu0.20.04.1"
          },
          {
            "binary_name": "thunderbird-mozsymbols",
            "binary_version": "1:78.8.1+build1-0ubuntu0.20.04.1"
          },
          {
            "binary_name": "xul-ext-calendar-timezones",
            "binary_version": "1:78.8.1+build1-0ubuntu0.20.04.1"
          },
          {
            "binary_name": "xul-ext-gdata-provider",
            "binary_version": "1:78.8.1+build1-0ubuntu0.20.04.1"
          },
          {
            "binary_name": "xul-ext-lightning",
            "binary_version": "1:78.8.1+build1-0ubuntu0.20.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "thunderbird",
        "purl": "pkg:deb/ubuntu/thunderbird@1:78.8.1+build1-0ubuntu0.20.04.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:78.8.1+build1-0ubuntu0.20.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:68.1.2+build1-0ubuntu1",
        "1:68.1.2+build1-0ubuntu2",
        "1:68.2.1+build1-0ubuntu1",
        "1:68.2.2+build1-0ubuntu1",
        "1:68.3.0+build2-0ubuntu1",
        "1:68.3.1+build1-0ubuntu2",
        "1:68.4.1+build1-0ubuntu1",
        "1:68.4.2+build2-0ubuntu1",
        "1:68.5.0+build1-0ubuntu1",
        "1:68.6.0+build2-0ubuntu1",
        "1:68.7.0+build1-0ubuntu1",
        "1:68.7.0+build1-0ubuntu2",
        "1:68.8.0+build2-0ubuntu0.20.04.2",
        "1:68.10.0+build1-0ubuntu0.20.04.1",
        "1:78.7.1+build1-0ubuntu0.20.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Thunderbird unprotects a secret OpenPGP key prior to using it for a decryption, signing or key import task. If the task runs into a failure, the secret key may remain in memory in its unprotected state. This vulnerability affects Thunderbird \u003c 78.8.1.",
  "id": "UBUNTU-CVE-2021-29950",
  "modified": "2026-04-22T07:40:00Z",
  "published": "2021-04-22T14:54:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-29950"
    },
    {
      "type": "REPORT",
      "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-17/#CVE-2021-29950"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2021-29950"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4936-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-29950"
    }
  ],
  "related": [
    "USN-4936-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-29950"
  ]
}

CVE-2021-29950 (GCVE-0-2021-29950)

Vulnerability from cvelistv5 – Published: 2021-06-24 13:18 – Updated: 2024-08-03 22:18

Summary

Severity

No CVSS data available.

CWE

Logic issue potentially leaves key material unlocked

Assigner

mozilla

References

2 references

URL	Tags
https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1673239	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Mozilla	Thunderbird	Affected: unspecified , < 78.8.1 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T22:18:03.200Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2021-17/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1673239"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Thunderbird",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "78.8.1",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Thunderbird unprotects a secret OpenPGP key prior to using it for a decryption, signing or key import task. If the task runs into a failure, the secret key may remain in memory in its unprotected state. This vulnerability affects Thunderbird \u003c 78.8.1."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Logic issue potentially leaves key material unlocked",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-06-24T13:18:46.000Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.mozilla.org/security/advisories/mfsa2021-17/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1673239"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@mozilla.org",
          "ID": "CVE-2021-29950",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Thunderbird",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "78.8.1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Mozilla"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Thunderbird unprotects a secret OpenPGP key prior to using it for a decryption, signing or key import task. If the task runs into a failure, the secret key may remain in memory in its unprotected state. This vulnerability affects Thunderbird \u003c 78.8.1."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Logic issue potentially leaves key material unlocked"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.mozilla.org/security/advisories/mfsa2021-17/",
              "refsource": "MISC",
              "url": "https://www.mozilla.org/security/advisories/mfsa2021-17/"
            },
            {
              "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1673239",
              "refsource": "MISC",
              "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1673239"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2021-29950",
    "datePublished": "2021-06-24T13:18:46.000Z",
    "dateReserved": "2021-04-01T00:00:00.000Z",
    "dateUpdated": "2024-08-03T22:18:03.200Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

usn-4936-1

Vulnerability from osv_ubuntu

Published

2021-05-06 13:13

Modified

2026-04-22 07:36

Summary

thunderbird vulnerabilities

Details

Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, or execute arbitrary code. (CVE-2021-23968, CVE-2021-23969, CVE-2021-23973, CVE-2021-23978)

It was discovered that Thunderbird may keep key material in memory in some circumstances. A local attacker could potentially exploit this to obtain private keys. (CVE-2021-29950)

References

URL

Type

	https://ubuntu.com/security/notices/USN-4936-1	ADVISORY
	https://ubuntu.com/security/CVE-2021-23968	REPORT
	https://ubuntu.com/security/CVE-2021-23969	REPORT
	https://ubuntu.com/security/CVE-2021-23973	REPORT
	https://ubuntu.com/security/CVE-2021-23978	REPORT
	https://ubuntu.com/security/CVE-2021-29950	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-23968",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-23969",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-23973",
              "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-2021-23978",
              "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-2021-29950",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "thunderbird",
            "binary_version": "1:78.8.1+build1-0ubuntu0.20.04.1"
          },
          {
            "binary_name": "thunderbird-gnome-support",
            "binary_version": "1:78.8.1+build1-0ubuntu0.20.04.1"
          },
          {
            "binary_name": "thunderbird-mozsymbols",
            "binary_version": "1:78.8.1+build1-0ubuntu0.20.04.1"
          },
          {
            "binary_name": "xul-ext-calendar-timezones",
            "binary_version": "1:78.8.1+build1-0ubuntu0.20.04.1"
          },
          {
            "binary_name": "xul-ext-gdata-provider",
            "binary_version": "1:78.8.1+build1-0ubuntu0.20.04.1"
          },
          {
            "binary_name": "xul-ext-lightning",
            "binary_version": "1:78.8.1+build1-0ubuntu0.20.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "thunderbird",
        "purl": "pkg:deb/ubuntu/thunderbird@1:78.8.1+build1-0ubuntu0.20.04.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:78.8.1+build1-0ubuntu0.20.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:68.1.2+build1-0ubuntu1",
        "1:68.1.2+build1-0ubuntu2",
        "1:68.2.1+build1-0ubuntu1",
        "1:68.2.2+build1-0ubuntu1",
        "1:68.3.0+build2-0ubuntu1",
        "1:68.3.1+build1-0ubuntu2",
        "1:68.4.1+build1-0ubuntu1",
        "1:68.4.2+build2-0ubuntu1",
        "1:68.5.0+build1-0ubuntu1",
        "1:68.6.0+build2-0ubuntu1",
        "1:68.7.0+build1-0ubuntu1",
        "1:68.7.0+build1-0ubuntu2",
        "1:68.8.0+build2-0ubuntu0.20.04.2",
        "1:68.10.0+build1-0ubuntu0.20.04.1",
        "1:78.7.1+build1-0ubuntu0.20.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Multiple security issues were discovered in Thunderbird. If a user were\ntricked into opening a specially crafted website in a browsing context,\nan attacker could potentially exploit these to cause a denial of service,\nobtain sensitive information, or execute arbitrary code. (CVE-2021-23968,\nCVE-2021-23969, CVE-2021-23973, CVE-2021-23978)\n\nIt was discovered that Thunderbird may keep key material in memory in some\ncircumstances. A local attacker could potentially exploit this to obtain\nprivate keys. (CVE-2021-29950)\n",
  "id": "USN-4936-1",
  "modified": "2026-04-22T07:36:59Z",
  "published": "2021-05-06T13:13:01Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4936-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-23968"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-23969"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-23973"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-23978"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-29950"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "thunderbird vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2021-23968",
    "UBUNTU-CVE-2021-23969",
    "UBUNTU-CVE-2021-23973",
    "UBUNTU-CVE-2021-23978",
    "UBUNTU-CVE-2021-29950"
  ]
}

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.

Action not permitted

ubuntu-cve-2021-29950

Vulnerability from osv_ubuntu

CVE-2021-29950 (GCVE-0-2021-29950)

usn-4936-1

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature