CVE-2024-8381

A potentially exploitable type confusion could be triggered when looking up a property name on an object being used as the `with` environment. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, Firefox ESR < 115.15, Thunderbird < 128.2, and Thunderbird < 115.15.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1912715	Issue Tracking Permissions Required
https://www.mozilla.org/security/advisories/mfsa2024-39/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-40/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-41/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-43/
https://www.mozilla.org/security/advisories/mfsa2024-44/
https://lists.debian.org/debian-lts-announce/2024/09/msg00012.html
https://lists.debian.org/debian-lts-announce/2024/09/msg00025.html

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mozilla:firefox::::::::
	cpe:2.3:a:mozilla:firefox_esr::::::::
	cpe:2.3:a:mozilla:firefox_esr::::::::

History

04 Nov 2025, 17:16

Type	Values Removed	Values Added
References		() https://lists.debian.org/debian-lts-announce/2024/09/msg00012.html - () https://lists.debian.org/debian-lts-announce/2024/09/msg00025.html -

Information

Published : 2024-09-03 13:15

Updated : 2025-11-04 17:16

NVD link : CVE-2024-8381

Mitre link : CVE-2024-8381

CVE.ORG link : CVE-2024-8381

JSON object : View

Products Affected

mozilla

firefox_esr
firefox

CWE

CWE-843

Access of Resource Using Incompatible Type ('Type Confusion')

{"id": "CVE-2024-8381", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2024-09-03T13:15:05.553", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1912715", "tags": ["Issue Tracking", "Permissions Required"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2024-39/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2024-40/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2024-41/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2024-43/", "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2024-44/", "source": "security@mozilla.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00012.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00025.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-843"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-843"}]}], "descriptions": [{"lang": "en", "value": "A potentially exploitable type confusion could be triggered when looking up a property name on an object being used as the `with` environment. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, Firefox ESR < 115.15, Thunderbird < 128.2, and Thunderbird < 115.15."}, {"lang": "es", "value": "Se podr\u00eda generar una confusi\u00f3n de tipos potencialmente explotable al buscar el nombre de una propiedad en un objeto que se utiliza como entorno `with`. Esta vulnerabilidad afecta a Firefox < 130, Firefox ESR < 128.2 y Firefox ESR < 115.15."}], "lastModified": "2025-11-04T17:16:17.060", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "87E41A09-924E-494F-BDF3-8C17EF330178", "versionEndExcluding": "130.0"}, {"criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1208DB6D-68A1-41C1-9C57-7C1C16F32229", "versionEndExcluding": "115.15"}, {"criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5D8B478B-4E42-4B63-B62E-D788C298047D", "versionEndExcluding": "128.2", "versionStartIncluding": "128.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@mozilla.org"}