NULL Pointer Dereference Affecting thunderbird package, versions [,128.13)[140.0-b1,140.1)[141.0-b1,141.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published24 Jul 2025
- disclosed22 Jul 2025
- creditShaheen Fazim
Introduced: 22 Jul 2025
NewCVE-2025-8033 (opens in a new tab)How to fix?
Upgrade thunderbird to version 128.13, 140.1, 141.0 or higher.
Overview
Affected versions of this package are vulnerable to NULL Pointer Dereference in the JavaScript engine when closed generators are not handled correctly, allowing them to be resumed and causing a null pointer dereference. An attacker can cause a crash or potentially execute arbitrary code by triggering the resumption of a closed generator.