CVE-2020-10967: Input Validation
In Dovecot before 2.3.10.1, remote unauthenticated attackers can crash the lmtp or submission process by sending mail with an empty localpart.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2020-10967?
CVE-2020-10967 is a vulnerability in Dovecot that allows remote unauthenticated attackers to crash the lmtp or submission process by sending mail with an empty localpart.
What is the severity of CVE-2020-10967?
CVE-2020-10967 has a severity of medium with a CVSS score of 5.3.
How does CVE-2020-10967 affect Dovecot?
CVE-2020-10967 affects Dovecot versions before 2.3.10.1, allowing attackers to crash the lmtp or submission process.
How can I fix CVE-2020-10967?
To fix CVE-2020-10967, upgrade to Dovecot version 2.3.10.1 or higher.
Where can I find more information about CVE-2020-10967?
You can find more information about CVE-2020-10967 in the references provided: http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00059.html, http://packetstormsecurity.com/files/157771/Open-Xchange-Dovecot-2.3.10-Null-Pointer-Dereference-Denial-Of-Service.html, http://seclists.org/fulldisclosure/2020/May/37