Описание
A malicious or compromised IMAP server can trigger an out-of-bounds read in the IMAP response parser by sending an untagged '* ID' response, crashing Thunderbird. The affected parsing path is reachable before authentication. This vulnerability was fixed in Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue:
A malicious or compromised IMAP server can trigger an out-of-bounds read in
the IMAP response parser by sending an untagged '* ID' response, crashing
Thunderbird. The affected parsing path is reachable before authentication.
Отчет
Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 10 | rhel10/thunderbird-flatpak | Affected | ||
| Red Hat Enterprise Linux 6 | thunderbird | Out of support scope | ||
| Red Hat Enterprise Linux 7 | thunderbird | Out of support scope | ||
| Red Hat Enterprise Linux 10 | thunderbird | Fixed | RHSA-2026:73130 | 29.09.2026 |
| Red Hat Enterprise Linux 10.0 Extended Update Support | thunderbird | Fixed | RHSA-2026:81392 | 12.10.2026 |
| Red Hat Enterprise Linux 8 | thunderbird | Fixed | RHSA-2026:73971 | 30.09.2026 |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | thunderbird | Fixed | RHSA-2026:82122 | 13.10.2026 |
| Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | thunderbird | Fixed | RHSA-2026:82122 | 13.10.2026 |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | thunderbird | Fixed | RHSA-2026:81913 | 13.10.2026 |
| Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On | thunderbird | Fixed | RHSA-2026:81913 | 13.10.2026 |
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Дополнительная информация
Статус:
EPSS
3.4 Low
CVSS3
Связанные уязвимости
A malicious or compromised IMAP server can trigger an out-of-bounds read in the IMAP response parser by sending an untagged '* ID' response, crashing Thunderbird. The affected parsing path is reachable before authentication. This vulnerability was fixed in Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
A malicious or compromised IMAP server can trigger an out-of-bounds read in the IMAP response parser by sending an untagged '* ID' response, crashing Thunderbird. The affected parsing path is reachable before authentication. This vulnerability was fixed in Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
A malicious or compromised IMAP server can trigger an out-of-bounds re ...
A malicious or compromised IMAP server can trigger an out-of-bounds read in the IMAP response parser by sending an untagged '* ID' response, crashing Thunderbird. The affected parsing path is reachable before authentication. This vulnerability was fixed in Thunderbird 156 and Thunderbird 140.16.
EPSS
3.4 Low
CVSS3