CVE-2024-9391

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{"affected": [{"affectedData": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "131", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@mozilla.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "matchCriteriaId": "DA47FFCA-3451-462C-8FFB-47143C65E65A", "versionEndExcluding": "131.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A user who enables full-screen mode on a specially crafted web page could potentially be prevented from exiting full screen mode. This may allow spoofing of other sites as the address bar is no longer visible.\n*This bug only affects Firefox Focus for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 131."}, {"lang": "es", "value": "A un usuario que habilite el modo de pantalla completa en una p\u00e1gina web especialmente manipulada se le podr\u00eda impedir salir del modo de pantalla completa. Esto podr\u00eda permitir la suplantaci\u00f3n de identidad de otros sitios, ya que la barra de direcciones ya no estar\u00e1 visible. *Este error solo afecta a Firefox Focus para Android. Las dem\u00e1s versiones de Firefox no se ven afectadas.* Esta vulnerabilidad afecta a Firefox &lt; 131."}], "id": "CVE-2024-9391", "lastModified": "2026-06-17T08:24:28.410", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 2.5, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-9391", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-10-01T18:56:22.360719Z", "version": "2.0.3"}}]}, "published": "2024-10-01T16:15:10.510", "references": [{"source": "security@mozilla.org", "tags": ["Issue Tracking"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1892407"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2024-46/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-290"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "firefox: Prevent users from exiting full-screen mode in Firefox Focus for Android", "id": "2315948", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2315948"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N", "status": "draft"}, "details": ["A user who enables full-screen mode on a specially crafted web page could potentially be prevented from exiting full screen mode. This may allow spoofing of other sites as the address bar is no longer visible.\n*This bug only affects Firefox Focus for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 131.", "A flaw was found in Mozilla. The Mozilla Foundation's Security Advisory describes the issue as follows: A user who enables full-screen mode on a specially crafted web page could potentially be prevented from exiting full-screen mode. This may allow spoofing of other sites as the address bar is no longer visible."], "name": "CVE-2024-9391", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-10-01T15:13:22Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-9391\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-9391\nhttps://bugzilla.mozilla.org/show_bug.cgi?id=1892407\nhttps://www.mozilla.org/security/advisories/mfsa2024-46/"], "statement": "This bug only affects Firefox Focus for Android. Firefox versions shipped by Red Hat are unaffected.", "threat_severity": "Important"}

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