FKIE_CVE-2025-14324

Vulnerability from fkie_nvd - Published: 2025-12-09 16:17 - Updated: 2025-12-10 20:39
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 146, Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1996840Issue Tracking, Permissions Required
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2025-92/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2025-93/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2025-94/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2025-95/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2025-96/Vendor Advisory
Impacted products
Vendor Product Version
mozilla firefox *
mozilla firefox *
mozilla firefox *
mozilla thunderbird *
mozilla thunderbird *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*",
              "matchCriteriaId": "22C1C512-2D57-4BCB-ABE2-5CA41F354AA1",
              "versionEndExcluding": "115.31.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*",
              "matchCriteriaId": "3EF4CBBC-DCB5-4540-8B8A-91DA759ED631",
              "versionEndExcluding": "146.0",
              "vulnerable": true
            },
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              "matchCriteriaId": "AB211B63-E6CF-4D11-BCEE-CF495FA0B0EF",
              "versionEndExcluding": "140.6.0",
              "versionStartIncluding": "116.0",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "F04F8674-52CC-4217-B94A-8C5E80C5B996",
              "versionEndExcluding": "140.6.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*",
              "matchCriteriaId": "1CB46BC7-512D-45BF-BCF4-73FDDF94DBAF",
              "versionEndExcluding": "146.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox \u003c 146, Firefox ESR \u003c 115.31, Firefox ESR \u003c 140.6, Thunderbird \u003c 146, and Thunderbird \u003c 140.6."
    }
  ],
  "id": "CVE-2025-14324",
  "lastModified": "2025-12-10T20:39:33.783",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2025-12-09T16:17:39.890",
  "references": [
    {
      "source": "security@mozilla.org",
      "tags": [
        "Issue Tracking",
        "Permissions Required"
      ],
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1996840"
    },
    {
      "source": "security@mozilla.org",
      "tags": [
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      ],
      "url": "https://www.mozilla.org/security/advisories/mfsa2025-92/"
    },
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      "source": "security@mozilla.org",
      "tags": [
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    },
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      "source": "security@mozilla.org",
      "tags": [
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      ],
      "url": "https://www.mozilla.org/security/advisories/mfsa2025-94/"
    },
    {
      "source": "security@mozilla.org",
      "tags": [
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    },
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      "url": "https://www.mozilla.org/security/advisories/mfsa2025-96/"
    }
  ],
  "sourceIdentifier": "security@mozilla.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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