CERTFR-2026-AVI-0578

Vulnerability from certfr_avis - Published: 2026-05-13 - Updated: 2026-05-13

De multiples vulnérabilités ont été découvertes dans Mozilla Firefox. Elles permettent à un attaquant de provoquer 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 Firefox versions antérieures à 150.0.3
References
Bulletin de sécurité Mozilla mfsa2026-45 2026-05-12 vendor-advisory

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Firefox versions ant\u00e9rieures \u00e0 150.0.3",
      "product": {
        "name": "Firefox",
        "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-2026-8390",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-8390"
    },
    {
      "name": "CVE-2026-8401",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-8401"
    },
    {
      "name": "CVE-2026-8391",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-8391"
    },
    {
      "name": "CVE-2026-8388",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-8388"
    },
    {
      "name": "CVE-2026-8389",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-8389"
    }
  ],
  "initial_release_date": "2026-05-13T00:00:00",
  "last_revision_date": "2026-05-13T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0578",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-05-13T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Mozilla Firefox. Elles permettent \u00e0 un attaquant de provoquer un probl\u00e8me de s\u00e9curit\u00e9 non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Mozilla Firefox",
  "vendor_advisories": [
    {
      "published_at": "2026-05-12",
      "title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-45",
      "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-45/"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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