CERTFR-2026-AVI-0404
Vulnerability from certfr_avis

De multiples vulnérabilités ont été découvertes dans les produits Mozilla. Elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance et un problème de sécurité non spécifié par l'éditeur.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products
Vendor Product Description
Mozilla Firefox ESR Firefox ESR versions antérieures à 140.9.1
Mozilla Thunderbird ESR Thunderbird ESR versions antérieures à 140.9.1
Mozilla Firefox Firefox versions antérieures à 149.0.2
Mozilla Thunderbird Thunderbird versions antérieures à 149.0.2
Mozilla Firefox ESR Firefox ESR versions antérieures à 115.34.1
References
Bulletin de sécurité Mozilla mfsa2026-26 2026-04-07 vendor-advisory
Bulletin de sécurité Mozilla mfsa2026-28 2026-04-07 vendor-advisory
Bulletin de sécurité Mozilla mfsa2026-25 2026-04-07 vendor-advisory
Bulletin de sécurité Mozilla mfsa2026-29 2026-04-07 vendor-advisory
Bulletin de sécurité Mozilla mfsa2026-27 2026-04-07 vendor-advisory

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Firefox ESR versions ant\u00e9rieures \u00e0 140.9.1",
      "product": {
        "name": "Firefox ESR",
        "vendor": {
          "name": "Mozilla",
          "scada": false
        }
      }
    },
    {
      "description": "Thunderbird ESR versions ant\u00e9rieures \u00e0 140.9.1",
      "product": {
        "name": "Thunderbird ESR",
        "vendor": {
          "name": "Mozilla",
          "scada": false
        }
      }
    },
    {
      "description": "Firefox versions ant\u00e9rieures \u00e0 149.0.2",
      "product": {
        "name": "Firefox",
        "vendor": {
          "name": "Mozilla",
          "scada": false
        }
      }
    },
    {
      "description": "Thunderbird versions ant\u00e9rieures \u00e0 149.0.2",
      "product": {
        "name": "Thunderbird",
        "vendor": {
          "name": "Mozilla",
          "scada": false
        }
      }
    },
    {
      "description": "Firefox ESR versions ant\u00e9rieures \u00e0 115.34.1",
      "product": {
        "name": "Firefox ESR",
        "vendor": {
          "name": "Mozilla",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2026-5731",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-5731"
    },
    {
      "name": "CVE-2026-5733",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-5733"
    },
    {
      "name": "CVE-2026-5732",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-5732"
    },
    {
      "name": "CVE-2026-5734",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-5734"
    },
    {
      "name": "CVE-2026-5735",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-5735"
    }
  ],
  "initial_release_date": "2026-04-08T00:00:00",
  "last_revision_date": "2026-04-08T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0404",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-04-08T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
    },
    {
      "description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans les produits Mozilla. Elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance et un probl\u00e8me de s\u00e9curit\u00e9 non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Mozilla",
  "vendor_advisories": [
    {
      "published_at": "2026-04-07",
      "title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-26",
      "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-26/"
    },
    {
      "published_at": "2026-04-07",
      "title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-28",
      "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-28/"
    },
    {
      "published_at": "2026-04-07",
      "title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-25",
      "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-25/"
    },
    {
      "published_at": "2026-04-07",
      "title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-29",
      "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-29/"
    },
    {
      "published_at": "2026-04-07",
      "title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-27",
      "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-27/"
    }
  ]
}


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