CVE-2026-7324
Memory Corruption in Firefox and Thunderbird Enables Code Execution
Publication date: 2026-04-28
Last updated on: 2026-05-01
Assigner: Mozilla Corporation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mozilla | firefox | to 150.0.1 (exc) |
| mozilla | thunderbird | to 150.0.1 (exc) |
Helpful Resources
Exploitability
| 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
What immediate steps should I take to mitigate this vulnerability?
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.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The provided information does not specify how this vulnerability affects compliance with common standards and regulations such as GDPR or HIPAA.