CVE-2026-7324: Memory safety bugs fixed in Thunderbird 150.0.1

Published Apr 28, 2026
·
Updated

Memory safety bugs present in Firefox 150.0.0 and 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.

Other sources

Memory safety bugs present in Firefox 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.

— Mozilla

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.

— Mozilla

Affected Software

6 affected componentsFixes available
Mozilla Firefox=150.0.0
Mozilla Thunderbird=150.0.0
Mozilla Firefox<150.0.1
150.0.1
Mozilla Thunderbird<150.0.1
150.0.1
Mozilla Firefox<150.0.1
Mozilla Thunderbird<150.0.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 150.0.1
  2. Upgrade

    Upgrade firefox to a version that resolves this vulnerability.

    Fixed in 150.0.1
  3. Upgrade

    Upgrade thunderbird to a version that resolves this vulnerability.

    Fixed in 150.0.1

Event History

Apr 28, 2026
CVE Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
CVE Published
via MITRE·01:49 PM
Data Sourced
via MITRE·01:49 PM
Description
Data Sourced
via Red Hat·03:01 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·03:16 PM
DescriptionSeverityWeaknessAffected Software
Apr 30, 2026
Updated
via Mozilla·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2026-7324?

CVE-2026-7324 is classified as a significant memory safety vulnerability which could potentially lead to arbitrary code execution.

2

How do I fix CVE-2026-7324?

To mitigate CVE-2026-7324, you should update Mozilla Firefox or Thunderbird to version 150.0.1 or later.

3

Which versions of software are affected by CVE-2026-7324?

CVE-2026-7324 affects Mozilla Firefox and Thunderbird version 150.0.0.

4

What types of problems does CVE-2026-7324 address?

CVE-2026-7324 addresses memory safety issues that can lead to memory corruption.

5

Is exploiting CVE-2026-7324 easy for attackers?

While the presence of memory corruption vulnerabilities suggests potential exploitation, exploiting CVE-2026-7324 would require substantial effort on the part of attackers.

Company

Resources

Contact

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