thunderbird: Thunderbird: Out-of-bounds read via maliciously constructed IMAP line

A flaw was found in Thunderbird. A remote attacker could exploit this vulnerability by sending a maliciously constructed Internet Message Access Protocol IMAP line. This could lead to an out-of-bounds buffer read, potentially resulting in information disclosure or a denial of service...

Linux Distros Unpatched Vulnerability : CVE-2026-92239

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A maliciously constructed IMAP line could cause an out-of-bounds buffer read. This vulnerability was fixed in Thunderbird 156, Thunderbird 140.16, and Thunderbi...

UBUNTU-CVE-2026-92239

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...

CVE-2026-92239

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...

EUVD-2026-79243

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

CVE-2026-92239

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...

PT-2026-92475

Name of the Vulnerable Software and Affected Versions Thunderbird versions prior to 140.16 Thunderbird versions prior to 153.3 Thunderbird versions prior to 156 Description An out-of-bounds buffer read can be triggered by a maliciously constructed IMAP line. An out-of-bounds read occurs when the...

CVE-2026-92239: Out-of-bounds Read

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...