🔐 CVE Alert

CVE-2026-92239

UNKNOWN 0.0

Buffer overrun in IMAP

CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th

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

Vendor mozilla
Product thunderbird
Ecosystems
Industries
Technology
Published Sep 15, 2026
Last Updated Sep 15, 2026
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Affected Versions

Mozilla / Thunderbird
All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗
bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=2060488 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-94/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-95/

Credits

Ramesh Adhikari, Dr. Faruk Kazi (CoE-CNDS Lab, VJTI, Mumbai, India)