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CVE-2026-16412

nvd nist
Published: Jul 21, 2026Modified: Oct 21, 2026

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9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

Memory safety bugs present in Thunderbird ESR 140.12 and Thunderbird 152. 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 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

Affected (2)

Products: Mozilla: Firefox
Mozilla
1 product
Firefox
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Mozilla
Firefox
version < 153.0.0
Firefox
140.1.0 ≤ version < 140.13.0

Related CWEs

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (7)

Source: security@mozilla.org
Broken Link
Source: security@mozilla.org
Broken Link
Source: security@mozilla.org
Broken Link
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Source: security@mozilla.org

Timeline

No history available yet.