CVE-2026-12328

Published: Giu 16, 2026 Last Modified: Giu 16, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,1
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Attack Vector: network
Attack Complexity: high
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high

Description

AI Translation Available

Memory safety bugs present in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. 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 was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Incomplete
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability
Potential Impacts:
Modify Memory Execute Unauthorized Code Or Commands Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu)
Applicable Platforms
Languages: Memory-Unsafe, C, C++, Assembly
Likelihood of Exploit: High
View CWE Details
Application

Firefox by Mozilla

Product Information
Vendor Mozilla
Product Firefox
Version Range Affected
To 115.37.0 (exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Thunderbird by Mozilla

Product Information
Vendor Mozilla
Product Thunderbird
Version Range Affected
To 152.0.0 (exclusive)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Thunderbird by Mozilla

Product Information
Vendor Mozilla
Product Thunderbird
Version Range Affected
From 140.0 (inclusive)
To 140.12.0 (exclusive)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Firefox by Mozilla

Product Information
Vendor Mozilla
Product Firefox
Version Range Affected
To 152.0 (exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Firefox by Mozilla

Product Information
Vendor Mozilla
Product Firefox
Version Range Affected
From 140.0 (inclusive)
To 140.12.0 (exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://bugzilla.mozilla.org/buglist.cgi?bug_id=2029402%2C2…
https://bugzilla.mozilla.org/buglist.cgi?bug_id=2029402%2C2038477%2C2039726%2C2…
https://www.mozilla.org/security/advisories/mfsa2026-57/
https://www.mozilla.org/security/advisories/mfsa2026-57/
https://www.mozilla.org/security/advisories/mfsa2026-58/
https://www.mozilla.org/security/advisories/mfsa2026-58/
https://www.mozilla.org/security/advisories/mfsa2026-59/
https://www.mozilla.org/security/advisories/mfsa2026-59/
https://www.mozilla.org/security/advisories/mfsa2026-60/
https://www.mozilla.org/security/advisories/mfsa2026-60/
https://www.mozilla.org/security/advisories/mfsa2026-61/
https://www.mozilla.org/security/advisories/mfsa2026-61/