Denial Of Service (DoS)

GoPistolet is vulnerable to a Denial of Service DoS vulnerability. The vulnerability is due to improper handling within the MTA component, which can lead to service disruption...

CVE-2024-23184

Having a large number of address headers From, To, Cc, Bcc, etc. becomes excessively CPU intensive. With 100k header lines CPU usage is already 12 seconds, and in a production environment we observed 500k header lines taking 18 minutes to parse. Since this can be triggered by external actors...

CVE-2024-23184

Having a large number of address headers From, To, Cc, Bcc, etc. becomes excessively CPU intensive. With 100k header lines CPU usage is already 12 seconds, and in a production environment we observed 500k header lines taking 18 minutes to parse. Since this can be triggered by external actors...

CVE-2024-23185

Very large headers can cause resource exhaustion when parsing message. The message-parser normally reads reasonably sized chunks of the message. However, when it feeds them to message-header-parser, it starts building up "fullvalue" buffer out of the smaller chunks. The fullvalue buffer has no si...

CVE-2024-23185

Very large headers can cause resource exhaustion when parsing message. The message-parser normally reads reasonably sized chunks of the message. However, when it feeds them to message-header-parser, it starts building up "fullvalue" buffer out of the smaller chunks. The fullvalue buffer has no si...

CVE-2024-23185

Very large headers can cause resource exhaustion when parsing message. The message-parser normally reads reasonably sized chunks of the message. However, when it feeds them to message-header-parser, it starts building up "fullvalue" buffer out of the smaller chunks. The fullvalue buffer has no si...

CVE-2024-23184

CVE-2024-23184 affects the Dovecot IMAP/POP3 server. The root issue is that parsing a large number of email address headers (From, To, Cc, Bcc, etc.) is highly CPU-intensive, leading to potential denial of service when attackers send crafted messages that trigger resource exhaustion. The availabl...

CVE-2024-23184

Having a large number of address headers From, To, Cc, Bcc, etc. becomes excessively CPU intensive. With 100k header lines CPU usage is already 12 seconds, and in a production environment we observed 500k header lines taking 18 minutes to parse. Since this can be triggered by external actors...

CVE-2024-23184

Having a large number of address headers From, To, Cc, Bcc, etc. becomes excessively CPU intensive. With 100k header lines CPU usage is already 12 seconds, and in a production environment we observed 500k header lines taking 18 minutes to parse. Since this can be triggered by external actors...

Dovecot IMAP Server 2.2 / 2.3 Denial Of Service

Affected product: Dovecot IMAP Server Internal reference: DOV-6601 Vulnerability type: CWE-770 Allocation of Resources Without Limits or Throttling Vulnerable version: 2.2, 2.3 Vulnerable component: lib-mail Report confidence: Confirmed Solution status: Fixed in 2.3.21.1 Researcher credits: Vendo...