CVE-2025-1934

It was possible to interrupt the processing of a RegExp bailout and run additional JavaScript, potentially triggering garbage collection when the engine was not expecting it. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1942881	Issue Tracking Permissions Required
https://www.mozilla.org/security/advisories/mfsa2025-14/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-16/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-17/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-18/	Vendor Advisory
https://lists.debian.org/debian-lts-announce/2025/03/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:thunderbird::::::::
	cpe:2.3:a:mozilla:thunderbird::::::::

History

No history.

Information

Published : 2025-03-04 14:15

Updated : 2026-06-17 08:40

NVD link : CVE-2025-1934

Mitre link : CVE-2025-1934

CVE.ORG link : CVE-2025-1934

JSON object : View

Products Affected

mozilla

thunderbird
firefox

CWE

NVD-CWE-Other

{"id": "CVE-2025-1934", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-1934", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2025-03-04T15:50:25.693188Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security@mozilla.org", "affectedData": [{"vendor": "Mozilla", "product": "Firefox", "versions": [{"status": "unaffected", "version": "128.8", "versionType": "rpm", "lessThanOrEqual": "128.*"}, {"status": "unaffected", "version": "136", "versionType": "rpm", "lessThanOrEqual": "*"}]}, {"vendor": "Mozilla", "product": "Thunderbird", "versions": [{"status": "unaffected", "version": "128.8", "versionType": "rpm", "lessThanOrEqual": "128.*"}, {"status": "unaffected", "version": "136", "versionType": "rpm", "lessThanOrEqual": "*"}]}]}], "published": "2025-03-04T14:15:38.273", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1942881", "tags": ["Issue Tracking", "Permissions Required"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-14/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-16/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-17/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-18/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00006.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "It was possible to interrupt the processing of a RegExp bailout and run additional JavaScript, potentially triggering garbage collection when the engine was not expecting it. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8."}, {"lang": "es", "value": "Se pudo interrumpir el procesamiento de un rescate de RegExp y ejecutar JavaScript adicional, lo que podr\u00eda activar la recolecci\u00f3n de basura cuando el motor no lo esperaba. Esta vulnerabilidad afecta a Firefox < 136, Firefox ESR < 128.8, Thunderbird < 136 y Thunderbird < 128.8."}], "lastModified": "2026-06-17T08:40:22.473", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*", "vulnerable": true, "matchCriteriaId": "51A0498A-4BF8-4166-A347-78023C0A6B33", "versionEndExcluding": "128.8.0"}, {"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7DB4CDD0-EC54-43D0-ACB2-F159ABA53D2C", "versionEndExcluding": "136.0"}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D3C5A2B6-C7B5-4888-B0A7-9DA0C3024C71", "versionEndExcluding": "128.8.0"}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "93C81C9D-FC2E-4D7D-A97F-8DB97ED92192", "versionEndExcluding": "136.0", "versionStartIncluding": "129.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@mozilla.org"}