CVE-2021-38501
Vulnerability from cvelistv5
Published
2021-11-03 00:02
Modified
2024-08-04 01:44
Severity ?
Summary
Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.
Impacted products
Vendor Product Version
Mozilla Firefox Version: unspecified   < 93
Create a notification for this product.
   Mozilla Thunderbird Version: unspecified   < 91.2
Create a notification for this product.
   Mozilla Firefox ESR Version: unspecified   < 91.2
Create a notification for this product.
Show details on NVD website


{
   containers: {
      adp: [
         {
            providerMetadata: {
               dateUpdated: "2024-08-04T01:44:22.811Z",
               orgId: "af854a3a-2127-422b-91ae-364da2661108",
               shortName: "CVE",
            },
            references: [
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://www.mozilla.org/security/advisories/mfsa2021-47/",
               },
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://www.mozilla.org/security/advisories/mfsa2021-45/",
               },
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://www.mozilla.org/security/advisories/mfsa2021-43/",
               },
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1685354%2C1715755%2C1723176",
               },
            ],
            title: "CVE Program Container",
         },
      ],
      cna: {
         affected: [
            {
               product: "Firefox",
               vendor: "Mozilla",
               versions: [
                  {
                     lessThan: "93",
                     status: "affected",
                     version: "unspecified",
                     versionType: "custom",
                  },
               ],
            },
            {
               product: "Thunderbird",
               vendor: "Mozilla",
               versions: [
                  {
                     lessThan: "91.2",
                     status: "affected",
                     version: "unspecified",
                     versionType: "custom",
                  },
               ],
            },
            {
               product: "Firefox ESR",
               vendor: "Mozilla",
               versions: [
                  {
                     lessThan: "91.2",
                     status: "affected",
                     version: "unspecified",
                     versionType: "custom",
                  },
               ],
            },
         ],
         descriptions: [
            {
               lang: "en",
               value: "Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.",
            },
         ],
         problemTypes: [
            {
               descriptions: [
                  {
                     description: "Memory safety bugs fixed in Firefox 93 and Firefox ESR 91.2",
                     lang: "en",
                     type: "text",
                  },
               ],
            },
         ],
         providerMetadata: {
            dateUpdated: "2021-11-03T00:02:56",
            orgId: "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
            shortName: "mozilla",
         },
         references: [
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://www.mozilla.org/security/advisories/mfsa2021-47/",
            },
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://www.mozilla.org/security/advisories/mfsa2021-45/",
            },
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://www.mozilla.org/security/advisories/mfsa2021-43/",
            },
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1685354%2C1715755%2C1723176",
            },
         ],
         x_legacyV4Record: {
            CVE_data_meta: {
               ASSIGNER: "security@mozilla.org",
               ID: "CVE-2021-38501",
               STATE: "PUBLIC",
            },
            affects: {
               vendor: {
                  vendor_data: [
                     {
                        product: {
                           product_data: [
                              {
                                 product_name: "Firefox",
                                 version: {
                                    version_data: [
                                       {
                                          version_affected: "<",
                                          version_value: "93",
                                       },
                                    ],
                                 },
                              },
                              {
                                 product_name: "Thunderbird",
                                 version: {
                                    version_data: [
                                       {
                                          version_affected: "<",
                                          version_value: "91.2",
                                       },
                                    ],
                                 },
                              },
                              {
                                 product_name: "Firefox ESR",
                                 version: {
                                    version_data: [
                                       {
                                          version_affected: "<",
                                          version_value: "91.2",
                                       },
                                    ],
                                 },
                              },
                           ],
                        },
                        vendor_name: "Mozilla",
                     },
                  ],
               },
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "eng",
                     value: "Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "eng",
                           value: "Memory safety bugs fixed in Firefox 93 and Firefox ESR 91.2",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://www.mozilla.org/security/advisories/mfsa2021-47/",
                     refsource: "MISC",
                     url: "https://www.mozilla.org/security/advisories/mfsa2021-47/",
                  },
                  {
                     name: "https://www.mozilla.org/security/advisories/mfsa2021-45/",
                     refsource: "MISC",
                     url: "https://www.mozilla.org/security/advisories/mfsa2021-45/",
                  },
                  {
                     name: "https://www.mozilla.org/security/advisories/mfsa2021-43/",
                     refsource: "MISC",
                     url: "https://www.mozilla.org/security/advisories/mfsa2021-43/",
                  },
                  {
                     name: "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1685354%2C1715755%2C1723176",
                     refsource: "MISC",
                     url: "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1685354%2C1715755%2C1723176",
                  },
               ],
            },
         },
      },
   },
   cveMetadata: {
      assignerOrgId: "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
      assignerShortName: "mozilla",
      cveId: "CVE-2021-38501",
      datePublished: "2021-11-03T00:02:56",
      dateReserved: "2021-08-10T00:00:00",
      dateUpdated: "2024-08-04T01:44:22.811Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
   "vulnerability-lookup:meta": {
      nvd: "{\"cve\":{\"id\":\"CVE-2021-38501\",\"sourceIdentifier\":\"security@mozilla.org\",\"published\":\"2021-11-03T01:15:07.617\",\"lastModified\":\"2024-11-21T06:17:15.470\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.\"},{\"lang\":\"es\",\"value\":\"Los desarrolladores de Mozilla informaron de bugs de seguridad de memoria presentes en Firefox 92 y Firefox ESR 91.1. Algunos de estos bugs mostraban evidencias de corrupción de memoria y suponemos que con suficiente esfuerzo algunos de ellos podrían haber sido explotados para ejecutar código arbitrario. Esta vulnerabilidad afecta a Firefox versiones anteriores a 93, Thunderbird versiones anteriores a 91.2 y Firefox ESR versiones anteriores a 91.2\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:P\",\"baseScore\":6.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"93.0\",\"matchCriteriaId\":\"B38B28B1-FAB5-47DB-9C73-0CFB79CCDE79\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"91.2\",\"matchCriteriaId\":\"6D720984-09FD-4541-BCC5-DC3FE4A9A48F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"91.2\",\"matchCriteriaId\":\"0FDD43C9-F32C-409E-B563-BD137C63A7B8\"}]}]}],\"references\":[{\"url\":\"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1685354%2C1715755%2C1723176\",\"source\":\"security@mozilla.org\",\"tags\":[\"Broken Link\"]},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2021-43/\",\"source\":\"security@mozilla.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2021-45/\",\"source\":\"security@mozilla.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2021-47/\",\"source\":\"security@mozilla.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1685354%2C1715755%2C1723176\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Broken Link\"]},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2021-43/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2021-45/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2021-47/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
   },
}


Log in or create an account to share your comment.

Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.