CVE-2026-110249 | BDVDB-2026-388821 Detail

Description#

A malicious, compromised, or MITM-controlled Exchange server can return a single well-formed SOAP response containing an element with enough attributes to keep Thunderbird's main thread CPU-bound for seconds to hours. This vulnerability was fixed in Thunderbird 158 and Thunderbird 153.5.

Impact#

Weaknesses#

References#

Exploit#

History#

1. Version 12026-10-13Record published in the CVE List.
2. Version 22026-10-21Most recent update recorded in the CVE List.