This security bulletin contains information about 1 vulnerabilities.
Updated vulnerability description and list of affected versions due to incomplete patch.
Exploit availability: NoDescription
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error when parsing group emails or empty values in From/To email fields in "src/plugins/push-notification/push-notification-event-message-common.c". A remote attacker can send an email with a group email address or an empty value in From or To fields and crash push notification drivers.
Install updates from vendor's website.Vulnerable software versions
Dovecot: 2.3.9 - 126.96.36.199
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.