Memory Safety Bugs in Firefox 152.0.3 (arbitrary code execution risk)
CVE-2026-14241 Published on June 30, 2026

Memory safety bugs fixed in Firefox 152.0.4
Memory safety bugs present in Firefox 152.0.3. 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 152.0.4.

NVD

Vulnerability Analysis

CVE-2026-14241 can be exploited with network access, requires user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
HIGH
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Buffer Overflow Vulnerability?

The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.

CVE-2026-14241 has been classified to as a Buffer Overflow vulnerability or weakness.


Products Associated with CVE-2026-14241

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Mozilla Firefox
 

Affected Versions

Mozilla Firefox: