← Back to CVE search

CVE-2026-42392

Dovecot

Description

An attacker that has valid credentials can send an invalid IMAP URLFETCH command, which causes uninitialized memory to be included in the error response returned to the client. Process memory contents can be disclosed to the client, which may include sensitive data. Disable the IMAP URLAUTH functionality. Update to non-vulnerable version. No publicly available exploits are known.

CVSS 4.3EPSS 0%Risk 0.43
View source
Published
2026-08-28 12:16:29
Affected versions
unknown
Type
Other
Last modified
2026-08-28 12:16:29
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N