PT-2026-103468 · Mozilla · Thunderbird
None
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Name of the Vulnerable Software and Affected Versions
Thunderbird versions prior to 140.17
Thunderbird versions prior to 153.4
Thunderbird versions prior to 157
Description
A heap buffer overflow occurs when a user opens an email with a size of 2GB or larger. A heap buffer overflow is a memory corruption issue that happens when a program writes more data to a heap-allocated memory block than it can hold.
Recommendations
Update to version 140.17.
Update to version 153.4.
Update to version 157.
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Related Identifiers
Affected Products
Thunderbird