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CVE-2026-92238

Ambiguous parsing of mail headers PUBLISHED

Description (CNA)

A maliciously constructed mail header could lead to multiple fields being parsed as one, or potential memory safety violations. This vulnerability was fixed in Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

Affected (CNA)

Vendor / productVersions
Mozilla / Thunderbirdunaffected 140.16 through 140.*; unaffected 153.3 through 153.*; unaffected 156 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.