FKIE_CVE-2026-2447

Vulnerability from fkie_nvd - Published: 2026-02-16 15:18 - Updated: 2026-02-18 21:39
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
Heap buffer overflow in libvpx. This vulnerability affects Firefox < 147.0.4, Firefox ESR < 140.7.1, Firefox ESR < 115.32.1, Thunderbird < 140.7.2, and Thunderbird < 147.0.2.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=2014390Issue Tracking, Permissions Required
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-10/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-11/Vendor Advisory
Impacted products
Vendor Product Version
mozilla firefox *
mozilla firefox *
mozilla firefox *
mozilla thunderbird *
mozilla thunderbird *
To clipboard 

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              "matchCriteriaId": "10DDACEE-1B24-4550-BDBA-E7328511E4F3",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Heap buffer overflow in libvpx. This vulnerability affects Firefox \u003c 147.0.4, Firefox ESR \u003c 140.7.1, Firefox ESR \u003c 115.32.1, Thunderbird \u003c 140.7.2, and Thunderbird \u003c 147.0.2."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de b\u00fafer en el heap en libvpx. Esta vulnerabilidad afecta a Firefox \u0026lt; 147.0.4, Firefox ESR \u0026lt; 140.7.1, Firefox ESR \u0026lt; 115.32.1, Thunderbird \u0026lt; 140.7.2, y Thunderbird \u0026lt; 147.0.2."
    }
  ],
  "id": "CVE-2026-2447",
  "lastModified": "2026-02-18T21:39:10.380",
  "metrics": {
    "cvssMetricV31": [
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        "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"
        },
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        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
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  "published": "2026-02-16T15:18:34.740",
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}


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