CVE-2026-7324
Received Received - Intake
Memory Corruption in Firefox and Thunderbird Enables Code Execution

Publication date: 2026-04-28

Last updated on: 2026-05-01

Assigner: Mozilla Corporation

Description
Memory safety bugs present in Thunderbird 150.0.0. 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 150.0.1 and Thunderbird 150.0.1.
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Meta Information
Published
2026-04-28
Last Modified
2026-05-01
Generated
2026-06-16
AI Q&A
2026-04-28
EPSS Evaluated
2026-06-15
NVD
CVE-2026-7324
EUVD
EUVD-2026-26061
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
mozilla firefox to 150.0.1 (exc)
mozilla thunderbird to 150.0.1 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-119 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.
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Executive Summary

CVE-2026-7324 involves memory safety bugs found in Firefox 150.0.0 and Thunderbird 150.0.0. These bugs cause memory corruption, which means that the software may improperly handle memory operations.

Because of this memory corruption, an attacker with enough effort could potentially exploit these bugs to execute arbitrary code on the affected systems.

The vulnerabilities were fixed in Firefox 150.0.1 and Thunderbird 150.0.1.

Impact Analysis

This vulnerability can have a high impact because it could allow an attacker to execute arbitrary code on your system if you are using the affected versions of Firefox or Thunderbird.

Executing arbitrary code means that an attacker could potentially take control of your computer, steal data, install malware, or perform other malicious actions.

Mitigation Strategies

To mitigate this vulnerability, you should update Firefox and Thunderbird to version 150.0.1 or later, as the memory safety bugs have been fixed in these versions.

Compliance Impact

The provided information does not specify how this vulnerability affects compliance with common standards and regulations such as GDPR or HIPAA.

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