HIGHCVSS 8.1

CVE-2026-92239

CVE-2026-92239 updated by NVD

Modified: 2026-09-26
Sources: nvd

Summary

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

https://nvd.nist.gov/vuln/detail/CVE-2026-92239

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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