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CVE-2026-103500 Details

Description

An attacker could cause a heap buffer overflow by getting a user to open an email that is greater than or equal to 2GB in size. This vulnerability was fixed in Thunderbird 157, Thunderbird 140.17, and Thunderbird 153.4.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://bugzilla.mozilla.org/show_bug.cgi?id=2070267	[email protected]
https://www.mozilla.org/security/advisories/mfsa2026-101/	[email protected]
https://www.mozilla.org/security/advisories/mfsa2026-102/	[email protected]
https://www.mozilla.org/security/advisories/mfsa2026-103/	[email protected]

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

1 change record found show changes