CVE-2026-103500

The Thunderbird email client is vulnerable to a heap buffer overflow when a user opens an email with a size greater than or equal to 2GB . This issue can be triggered by an attacker by tricking a user into opening such a large message. The vulnerability has been addressed in Thunderbird versions ...

Fedora 39 : dovecot (2024-ba5bb9f63a)

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-ba5bb9f63a advisory. - CVE-2024-23184: A large number of address headers in email resulted in excessive CPU usage. - CVE-2024-23185: Abnormally large email headers are n...

Updated packages fix security vulnerabilities

CVE-2024-23184: A large number of address headers in email resulted in excessive CPU usage. CVE-2024-23185: Abnormally large email headers are now truncated or discarded, with a limit of 10MB on a single header and 50MB for all the headers of all the parts of an email...

FreeBSD : Dovecot -- DoS (6a6ad6cb-5c6c-11ef-b456-001e676bf734)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 6a6ad6cb-5c6c-11ef-b456-001e676bf734 advisory. Dovecot reports: A DoS is possible with a large number of address headers or abnormally large...

CVE-2024-28053 Resource Exhaustion via the Invitation Feature

Resource Exhaustion in Mattermost Server versions 8.1.x before 8.1.10 fails to limit the size of the payload that can be read and parsed allowing an attacker to send a very large email payload and crash the server...

PT-2024-22239 · Mattermost · Mattermost Server

Name of the Vulnerable Software and Affected Versions: Mattermost Server versions 8.1.x before 8.1.10 Description: The issue is related to resource exhaustion, where the server fails to limit the size of the payload that can be read and parsed, allowing an attacker to send a very large email...

PT-2022-19880 · Open Xchange · Ox App Suite

Name of the Vulnerable Software and Affected Versions: OX App Suite versions through 8.2 Description: The issue allows for XSS via a certain complex hierarchy that forces the use of Show Entire Message for a huge HTML e-mail message. Recommendations: For OX App Suite versions through 8.2, conside...

Code injection

MDaemon Email Server 19 through 20.0.1 skips SpamAssassin checks by default for e-mail messages larger than 2 MB and limits checks to 10 MB even with special configuration, which is arguably inconsistent with currently popular message sizes. This might interfere with risk management for malicious...

CVE-2019-13612: Improper Input Validation

MDaemon Email Server 19 through 20.0.1 skips SpamAssassin checks by default for e-mail messages larger than 2 MB and limits checks to 10 MB even with special configuration, which is arguably inconsistent with currently popular message sizes. This might interfere with risk management for malicious...

Google, Facebook and Others Join to Write New Email-Authentication Spec Called DMARC

Google, Yahoo, AOL and a group of other large email senders and receivers have banded together to develop a new framework for sending and receiving email that is designed to stop phishing attacks and other email-borne scams. Called DMARC.org, the new group has come up with a specification called...

CVE-2008-5430

Mozilla Thunderbird 2.0.14 does not properly handle 1 multipart/mixed e-mail messages with many MIME parts and possibly 2 e-mail messages with many "Content-type: message/rfc822;" headers, which might allow remote attackers to cause a denial of service stack consumption or other resource...

Design/Logic Flaw

Incredimail build 5853710 does not properly handle 1 multipart/mixed e-mail messages with many MIME parts and possibly 2 e-mail messages with many "Content-type: message/rfc822;" headers, which allows remote attackers to cause a denial of service stack consumption or other resource consumption vi...

CVE-2008-5429

Incredimail build 5853710 does not properly handle 1 multipart/mixed e-mail messages with many MIME parts and possibly 2 e-mail messages with many "Content-type: message/rfc822;" headers, which allows remote attackers to cause a denial of service stack consumption or other resource consumption vi...