gsd-2021-43537
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2021-43537",
    "description": "An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird \u003c 91.4.0, Firefox ESR \u003c 91.4.0, and Firefox \u003c 95.",
    "id": "GSD-2021-43537",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-43537.html",
      "https://www.debian.org/security/2022/dsa-5034",
      "https://www.debian.org/security/2021/dsa-5026",
      "https://access.redhat.com/errata/RHSA-2021:5055",
      "https://access.redhat.com/errata/RHSA-2021:5048",
      "https://access.redhat.com/errata/RHSA-2021:5047",
      "https://access.redhat.com/errata/RHSA-2021:5046",
      "https://access.redhat.com/errata/RHSA-2021:5045",
      "https://access.redhat.com/errata/RHSA-2021:5017",
      "https://access.redhat.com/errata/RHSA-2021:5016",
      "https://access.redhat.com/errata/RHSA-2021:5015",
      "https://access.redhat.com/errata/RHSA-2021:5014",
      "https://access.redhat.com/errata/RHSA-2021:5013",
      "https://ubuntu.com/security/CVE-2021-43537",
      "https://advisories.mageia.org/CVE-2021-43537.html",
      "https://security.archlinux.org/CVE-2021-43537",
      "https://linux.oracle.com/cve/CVE-2021-43537.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-43537"
      ],
      "details": "An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird \u003c 91.4.0, Firefox ESR \u003c 91.4.0, and Firefox \u003c 95.",
      "id": "GSD-2021-43537",
      "modified": "2023-12-13T01:23:26.125650Z",
      "schema_version": "1.4.0"
    }
  },
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                  },
                  {
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          }
        ]
      },
      "problemtype": {
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              }
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      "references": {
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          },
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            "name": "https://www.mozilla.org/security/advisories/mfsa2021-54/",
            "refsource": "MISC",
            "url": "https://www.mozilla.org/security/advisories/mfsa2021-54/"
          },
          {
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          },
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          },
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            "name": "[debian-lts-announce] 20211229 [SECURITY] [DLA 2863-1] firefox-esr security update",
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          },
          {
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          },
          {
            "name": "[debian-lts-announce] 20220104 [SECURITY] [DLA 2874-1] thunderbird security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html"
          },
          {
            "name": "GLSA-202202-03",
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          }
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          },
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            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1738237"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
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                    "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
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          {
            "lang": "en",
            "value": "An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird \u003c 91.4.0, Firefox ESR \u003c 91.4.0, and Firefox \u003c 95."
          },
          {
            "lang": "es",
            "value": "Una conversi\u00f3n de tipo incorrecta de los tama\u00f1os de enteros de 64 bits a 32 bits permit\u00eda a un atacante corromper la memoria, conllevando a un bloqueo potencialmente explotable. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a 91.4.0, Firefox ESR versiones anteriores a 91.4.0, y Firefox versiones anteriores a 95"
          }
        ],
        "id": "CVE-2021-43537",
        "lastModified": "2024-02-02T03:05:31.560",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 6.8,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
                "version": "2.0"
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                "confidentialityImpact": "HIGH",
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        "published": "2021-12-08T22:15:09.620",
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        "sourceIdentifier": "security@mozilla.org",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
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                "value": "CWE-704"
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    }
  }
}


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