Postbox Inc Postbox vulnerabilities

2 vulnerabilities

Known vulnerabilities in Postbox Inc Postbox, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

5.9CVE-2017-176899foldersnine+22
EPSS score
4.22%
The S/MIME specification allows a Cipher Block Chaining (CBC) malleability-gadget attack that can indirectly lead to plaintext exfiltration, aka EFAIL.5.9CVE-2017-17688applemail+12
EPSS score
5.55%
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