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CVE-2022-46880

Estado: ModificadaMedia (6.5)—

A missing check related to tex units could have led to a use-after-free and potentially exploitable crash.<br />*Note*: This advisory was added on December 13th, 2022 after we better understood the impact of the issue. The fix was included in the original release of Firefox 105. This vulnerability affects Firefox ESR < 102.6, Firefox < 105, and Thunderbird < 102.6.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (3)

Mozilla — FirefoxMozilla — Firefox ESRMozilla — Thunderbird

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2022-46880",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-46880",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-15T13:47:38.984780Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Secondary",
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        "cvssData": {
          "scope": "UNCHANGED",
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
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  },
  "affected": [
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      "source": "security@mozilla.org",
      "affectedData": [
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          "vendor": "Mozilla",
          "product": "Firefox ESR",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "102.6",
              "versionType": "custom"
            }
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        },
        {
          "vendor": "Mozilla",
          "product": "Firefox",
          "versions": [
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              "status": "affected",
              "version": "unspecified",
              "lessThan": "105",
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            }
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        },
        {
          "vendor": "Mozilla",
          "product": "Thunderbird",
          "versions": [
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              "version": "unspecified",
              "lessThan": "102.6",
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            }
          ]
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    }
  ],
  "published": "2022-12-22T20:15:47.333",
  "references": [
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1749292",
      "tags": [
        "Issue Tracking",
        "Permissions Required"
      ],
      "source": "security@mozilla.org"
    },
    {
      "url": "https://security.gentoo.org/glsa/202305-06",
      "source": "security@mozilla.org"
    },
    {
      "url": "https://security.gentoo.org/glsa/202305-13",
      "source": "security@mozilla.org"
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      "tags": [
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      "tags": [
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      "source": "security@mozilla.org"
    },
    {
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      "tags": [
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      "url": "https://security.gentoo.org/glsa/202305-06",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "tags": [
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    },
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      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A missing check related to tex units could have led to a use-after-free and potentially exploitable crash.<br />*Note*: This advisory was added on December 13th, 2022 after we better understood the impact of the issue. The fix was included in the original release of Firefox 105. This vulnerability affects Firefox ESR < 102.6, Firefox < 105, and Thunderbird < 102.6."
    },
    {
      "lang": "es",
      "value": "Una verificación faltante relacionada con las unidades tex podría haber provocado un use after free y potencialmente a un bloqueo explotable.<br>*Nota*: Este aviso se agregó el 13 de diciembre de 2022 después de que comprendiéramos mejor el impacto del problema. La solución se incluyó en la versión original de Firefox 105. Esta vulnerabilidad afecta a Firefox ESR &lt; 102.6, Firefox &lt; 105 y Thunderbird &lt; 102.6."
    }
  ],
  "lastModified": "2026-06-17T05:12:36.150",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "B117A240-56A6-4045-93C4-09722ED3A3B8",
              "versionEndExcluding": "105.0"
            },
            {
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              "matchCriteriaId": "D2521C8C-7745-4B25-9B20-6C3AFC1D7AF7",
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}