CVE-2023-25746

Memory safety bugs present in Firefox ESR 102.7. 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 Thunderbird < 102.8 and Firefox ESR < 102.8.

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/buglist.cgi?bug_id=1544127%2C1762368	Broken Link Issue Tracking Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-06/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-07/	Vendor Advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1544127%2C1762368	Broken Link Issue Tracking Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-06/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-07/	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mozilla:firefox_esr::::::::
	cpe:2.3:a:mozilla:thunderbird::::::::

History

23 Oct 2026, 23:10

Type	Values Removed	Values Added
Summary		(es) Errores de seguridad de memoria presentes en Firefox ESR 102.7. Algunos de estos errores mostraron evidencia de corrupción de memoria y presumimos que con suficiente esfuerzo algunos de estos podrían haber sido explotados para ejecutar código arbitrario. Esta vulnerabilidad afecta a Thunderbird anterior a 102.8 y Firefox ESR anterior a 102.8.

Information

Published : 2023-06-02 17:15

Updated : 2026-10-23 23:10

NVD link : CVE-2023-25746

Mitre link : CVE-2023-25746

CVE.ORG link : CVE-2023-25746

JSON object : View

Products Affected

mozilla

firefox_esr
thunderbird

CWE

CWE-787

Out-of-bounds Write

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