A maliciously constructed IMAP line could cause an out-of-bounds buffer read. This vulnerability was fixed in Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

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Workaround

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History

Wed, 16 Sep 2026 14:45:00 +0000

Type Values Removed Values Added
Description A maliciously constructed IMAP line could cause an out-of-bounds buffer read. This vulnerability was fixed in Thunderbird 156 and Thunderbird 140.16. A maliciously constructed IMAP line could cause an out-of-bounds buffer read. This vulnerability was fixed in Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
References

Tue, 15 Sep 2026 20:15:00 +0000

Type Values Removed Values Added
Description A maliciously constructed IMAP line could cause an out-of-bounds buffer read. This vulnerability was fixed in Thunderbird 140.16. A maliciously constructed IMAP line could cause an out-of-bounds buffer read. This vulnerability was fixed in Thunderbird 156 and Thunderbird 140.16.
References

Tue, 15 Sep 2026 20:00:00 +0000

Type Values Removed Values Added
Description A maliciously constructed IMAP line could cause an out-of-bounds buffer read. This vulnerability was fixed in Thunderbird 140.16.
Title Buffer overrun in IMAP
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-09-16T14:24:29.124Z

Reserved: 2026-09-15T19:42:51.878Z

Link: CVE-2026-92239

cve-icon Vulnrichment

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cve-icon NVD

Status : Received

Published: 2026-09-15T20:19:41.577

Modified: 2026-09-16T15:19:00.443

Link: CVE-2026-92239

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses

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