REDHAT-BUG-2382717: Null Pointer Dereference

Published Jul 22, 2025
·
Updated

The JavaScript engine did not handle closed generators correctly and it was possible to resume them leading to a nullptr deref. This vulnerability affects Firefox < 141, Firefox ESR < 115.26, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1.

Affected Software

3 affected components
Mozilla Firefox<141
Mozilla Firefox ESR<115.26, <128.13, <140.1
Mozilla Thunderbird<141, <128.13, <140.1

Event History

Jul 22, 2025
Data Sourced
via Red Hat·09:02 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2382717?

The severity of REDHAT-BUG-2382717 is considered critical due to the potential for a null pointer dereference.

2

How do I fix REDHAT-BUG-2382717?

To fix REDHAT-BUG-2382717, update to the latest version of Firefox, Firefox ESR, or Thunderbird that is not affected.

3

What software is affected by REDHAT-BUG-2382717?

REDHAT-BUG-2382717 impacts Firefox versions below 141, several Firefox ESR versions, and Thunderbird versions below 141.

4

What happens if REDHAT-BUG-2382717 is exploited?

Exploitation of REDHAT-BUG-2382717 could lead to application crashes due to null pointer dereferences in the JavaScript engine.

5

Is there a workaround for REDHAT-BUG-2382717?

There are no official workarounds for REDHAT-BUG-2382717, so it is recommended to apply the necessary updates.

Contact

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