fkie_cve-2025-4919
Vulnerability from fkie_nvd
Published
2025-05-17 22:15
Modified
2025-11-03 20:19
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes. This vulnerability affects Firefox < 138.0.4, Firefox ESR < 128.10.1, Firefox ESR < 115.23.1, Thunderbird < 128.10.2, and Thunderbird < 138.0.2.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1966614Permissions Required
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2025-36/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2025-37/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2025-38/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2025-40/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2025-41/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/05/msg00024.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/05/msg00046.html
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": "BD156D89-BD24-483A-A355-1B45A0A2E66F",
              "versionEndExcluding": "115.23.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*",
              "matchCriteriaId": "83AE9635-80D1-49DD-B7A5-8E4E235B1C87",
              "versionEndExcluding": "138.0.4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*",
              "matchCriteriaId": "7F2F0DE1-8619-4C18-83B0-46E543AE8E9E",
              "versionEndExcluding": "128.10.1",
              "versionStartIncluding": "116.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "08FDB838-27AF-43C3-AC02-27C34ED5481A",
              "versionEndExcluding": "128.10.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*",
              "matchCriteriaId": "F76ABBB9-7E44-45A0-BEE9-81CD9C0A33ED",
              "versionEndExcluding": "138.0.2",
              "versionStartIncluding": "138.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes. This vulnerability affects Firefox \u003c 138.0.4, Firefox ESR \u003c 128.10.1, Firefox ESR \u003c 115.23.1, Thunderbird \u003c 128.10.2, and Thunderbird \u003c 138.0.2."
    },
    {
      "lang": "es",
      "value": "Un atacante logr\u00f3 realizar una lectura o escritura fuera de los l\u00edmites en un objeto JavaScript al confundir el tama\u00f1o del \u00edndice de la matriz. Esta vulnerabilidad afecta a Firefox (versi\u00f3n anterior a 138.0.4), Firefox ESR (versi\u00f3n anterior a 128.10.1) y Firefox ESR (versi\u00f3n anterior a 115.23.1)."
    }
  ],
  "id": "CVE-2025-4919",
  "lastModified": "2025-11-03T20:19:11.547",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-05-17T22:15:19.653",
  "references": [
    {
      "source": "security@mozilla.org",
      "tags": [
        "Permissions Required"
      ],
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1966614"
    },
    {
      "source": "security@mozilla.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.mozilla.org/security/advisories/mfsa2025-36/"
    },
    {
      "source": "security@mozilla.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.mozilla.org/security/advisories/mfsa2025-37/"
    },
    {
      "source": "security@mozilla.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.mozilla.org/security/advisories/mfsa2025-38/"
    },
    {
      "source": "security@mozilla.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.mozilla.org/security/advisories/mfsa2025-40/"
    },
    {
      "source": "security@mozilla.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.mozilla.org/security/advisories/mfsa2025-41/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00024.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00046.html"
    }
  ],
  "sourceIdentifier": "security@mozilla.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        },
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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