CVE-2025-1937

Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, and Thunderbird 128.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 136, Firefox ESR < 115.21, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.6 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1938471%2C1940716	Exploit
https://www.mozilla.org/security/advisories/mfsa2025-14/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-15/	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
http://www.openwall.com/lists/oss-security/2025/03/10/6	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:::::esr:::*
	cpe:2.3:a:mozilla:firefox::::::::
	cpe:2.3:a:mozilla:thunderbird::::::::
	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/2025/03/msg00006.html -

Information

Published : 2025-03-04 14:15

Updated : 2025-11-03 21:18

NVD link : CVE-2025-1937

Mitre link : CVE-2025-1937

CVE.ORG link : CVE-2025-1937

JSON object : View

Products Affected

mozilla

thunderbird
firefox

CWE

CWE-1260

Improper Handling of Overlap Between Protected Memory Ranges

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