CVE-2025-1010

An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash. This vulnerability affects Firefox < 135, Firefox ESR < 115.20, Firefox ESR < 128.7, Thunderbird < 128.7, and Thunderbird < 135.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1936982	Permissions Required
https://www.mozilla.org/security/advisories/mfsa2025-07/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-08/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-09/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-10/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-11/	Vendor Advisory
https://lists.debian.org/debian-lts-announce/2025/02/msg00005.html
https://lists.debian.org/debian-lts-announce/2025/02/msg00006.html

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mozilla:firefox:::::esr:::*
	cpe:2.3:a:mozilla:firefox:::::-:::*
	cpe:2.3:a:mozilla:firefox:::::esr:::*
	cpe:2.3:a:mozilla:thunderbird:::::esr:::*
	cpe:2.3:a:mozilla:thunderbird:::::-:::*

History

03 Nov 2025, 21:18

Type	Values Removed	Values Added
References		() https://lists.debian.org/debian-lts-announce/2025/02/msg00005.html - () https://lists.debian.org/debian-lts-announce/2025/02/msg00006.html -

Information

Published : 2025-02-04 14:15

Updated : 2025-11-03 21:18

NVD link : CVE-2025-1010

Mitre link : CVE-2025-1010

CVE.ORG link : CVE-2025-1010

JSON object : View

Products Affected

mozilla

thunderbird
firefox

CWE

CWE-416

Use After Free

{"id": "CVE-2025-1010", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}, {"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": "2025-02-04T14:15:31.767", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1936982", "tags": ["Permissions Required"], "source": "[email protected]"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-07/", "tags": ["Vendor Advisory"], "source": "[email protected]"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-08/", "tags": ["Vendor Advisory"], "source": "[email protected]"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-09/", "tags": ["Vendor Advisory"], "source": "[email protected]"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-10/", "tags": ["Vendor Advisory"], "source": "[email protected]"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-11/", "tags": ["Vendor Advisory"], "source": "[email protected]"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/02/msg00005.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/02/msg00006.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-416"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash. This vulnerability affects Firefox < 135, Firefox ESR < 115.20, Firefox ESR < 128.7, Thunderbird < 128.7, and Thunderbird < 135."}, {"lang": "es", "value": "Un atacante podr\u00eda haber provocado un Use-after-free a trav\u00e9s de la API de resaltado personalizado, lo que habr\u00eda provocado un bloqueo potencialmente explotable. Esta vulnerabilidad afecta a Firefox < 135, Firefox ESR < 115.20, Firefox ESR < 128.7, Thunderbird < 128.7 y Thunderbird < 135."}], "lastModified": "2025-11-03T21:18:50.753", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*", "vulnerable": true, "matchCriteriaId": "9D052B41-C615-4037-B188-59F57CDEFBF8", "versionEndExcluding": "115.20.0"}, {"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "C08017D5-BBC7-4E01-92D2-CE2E2ED9453A", "versionEndExcluding": "135.0"}, {"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*", "vulnerable": true, "matchCriteriaId": "B58365E6-5BBF-44CA-97A6-502D35489964", "versionEndExcluding": "128.7.0", "versionStartIncluding": "128.1.0"}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*", "vulnerable": true, "matchCriteriaId": "0504330C-A82A-4E1E-9774-38CCB3DF8D92", "versionEndExcluding": "128.7.0", "versionStartIncluding": "128.0.1"}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "B5DC3260-2056-4C30-BCBA-AD45537FF0F5", "versionEndExcluding": "135.0", "versionStartIncluding": "131.0"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]"}