postbox-inc 相關的公開 CVE 漏洞與安全風險資訊，提供 CVSS、EPSS、公開時間與漏洞情報資料，協助評估潛在風險與修補優先順序。
| CVE | 摘要 | 來源 | 最高 CVSS | EPSS % | 公開時間 | 更新時間 |
|---|---|---|---|---|---|---|
| CVE-2017-17689 | The S/MIME specification allows a Cipher Block Chaining (CBC) malleability-gadget attack that can indirectly lead to plaintext exfiltration, aka EFAIL. | [email protected] | 5.9 | 4.22% | 2018-05-16 | 2026-06-16 |
| CVE-2017-17688 | The OpenPGP specification allows a Cipher Feedback Mode (CFB) malleability-gadget attack that can indirectly lead to plaintext exfiltration, aka EFAIL. NOTE: third parties report that this is a problem in applications that mishandle the Modification Detection Code (MDC) feature or accept an obsolete packet type, not a problem in the OpenPGP specification | [email protected] | 5.9 | 5.57% | 2018-05-16 | 2026-06-16 |