GHSA-F2HQ-32VH-53CC postal-mime: Quadratic CPU consumption when decoding a header of many joinable RFC 2047 base64 encoded words

Impact Decoding a header that holds a long run of joinable RFC 2047 base64 encoded words, such as =?utf-8?B?QUJD?= repeated tens of thousands of times in a Subject, From, To, a filename or a description, took time quadratic in the number of words. The join check ran a regex over the text joined s...

postal-mime: Quadratic CPU consumption when decoding a header of many joinable RFC 2047 base64 encoded words

Impact Decoding a header that holds a long run of joinable RFC 2047 base64 encoded words, such as =?utf-8?B?QUJD?= repeated tens of thousands of times in a Subject, From, To, a filename or a description, took time quadratic in the number of words. The join check ran a regex over the text joined s...

CVE-2026-57229

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 8.0.0 until 8.0.6, the SMTP MIME parser in rust/src/mime/smtp.rs does not fully reset state when processing Content-Type: message/rfc822 encapsulation. An outer MIME part's...

EUVD-2026-83392

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 8.0.0 until 8.0.6, the SMTP MIME parser in rust/src/mime/smtp.rs does not fully reset state when processing Content-Type: message/rfc822 encapsulation. An outer MIME part's...

SMTP MIME message/rfc822: encapsulation parser state not reset, bypassing attachment filename and decoded-content inspection

SMTP MIME message/rfc822: encapsulation parser state not reset, bypassing attachment filename and decoded-content inspection Vulnerability Overview Suricata's SMTP MIME parser incompletely resets state when processing message/rfc822 encapsulated messages: after entering the inner message, the...

PYSEC-2026-2468 eml_parser has recursion DoS via nested message/rfc822 attachments

Summary EmlParser.getrawbodytext recurses unconditionally for every nested message/rfc822 attachment without any depth limit. An attacker who can supply a badly crafted EML file with approximately 120 nested message/rfc822 parts triggers an unhandled RecursionError and aborts parsing of the...

eml_parser has recursion DoS via nested message/rfc822 attachments

SummaryEmlParser.getrawbodytext recurses unconditionally for every nested message/rfc822 attachment without any depth limit. An attacker who can supply a badly crafted EML file with approximately 120 nested message/rfc822 parts triggers an unhandled RecursionError and aborts parsing of the messag...

GHSA-G47V-RWMH-R9F8 eml_parser has recursion DoS via nested message/rfc822 attachments

Summary EmlParser.getrawbodytext recurses unconditionally for every nested message/rfc822 attachment without any depth limit. An attacker who can supply a badly crafted EML file with approximately 120 nested message/rfc822 parts triggers an unhandled RecursionError and aborts parsing of the...

CVE-2026-26312

Stalwart is a mail and collaboration server. A denial-of-service vulnerability exists in Stalwart Mail Server versions 0.13.0 through 0.15.4 where accessing a specially crafted email containing malformed nested message/rfc822 MIME parts via IMAP or JMAP causes excessive CPU and memory consumption...

CVE-2025-3909

Thunderbird's handling of the X-Mozilla-External-Attachment-URL header can be exploited to execute JavaScript in the file:/// context. By crafting a nested email attachment message/rfc822 and setting its content type to application/pdf, Thunderbird may incorrectly render it as HTML when opened,...

CVE-2025-3909: Product UI does not Warn User of Unsafe Actions

Thunderbird's handling of the X-Mozilla-External-Attachment-URL header can be exploited to execute JavaScript in the file:/// context. By crafting a nested email attachment message/rfc822 and setting its content type to application/pdf, Thunderbird may incorrectly render it as HTML when opened,...

Format string

An issue was discovered in Enigmail before 1.9.9. Signature spoofing is possible because the UI does not properly distinguish between an attachment signature, and a signature that applies to the entire containing message, aka TBE-01-021. This is demonstrated by an e-mail message with an attachmen...

CVE-2017-17847: Improper Verification of Cryptographic Signature

An issue was discovered in Enigmail before 1.9.9. Signature spoofing is possible because the UI does not properly distinguish between an attachment signature, and a signature that applies to the entire containing message, aka TBE-01-021. This is demonstrated by an e-mail message with an attachmen...

CVE-2017-17847

Removed by vendor...

CVE-2017-17847

An issue was discovered in Enigmail before 1.9.9. Signature spoofing is possible because the UI does not properly distinguish between an attachment signature, and a signature that applies to the entire containing message, aka TBE-01-021. This is demonstrated by an e-mail message with an attachmen...

PT-2017-15043

Name of the Vulnerable Software and Affected Versions Enigmail versions prior to 1.9.9 Description An issue in Enigmail allows signature spoofing because the UI does not properly distinguish between an attachment signature and a signature that applies to the entire containing message. This can be...

Fedora 22 : roundcubemail-1.1.4-2.fc22 (2015-431d39fbff)

Release 1.1.4 - Add workaround for https://bugs.php.net/bug.php?id=70757 1490582 - Fix duplicate messages in list and wrong count after delete 1490572 - Fix so Installer requires PHP5 - Make brute-force attacks harder by re-generating security token on every failed login 1490549 - Slow down brute...

Microsoft Outlook Express Malformed MIME Message DoS Vulnerability

The host is installed with Microsoft Outlook Express and is prone to denial of service vulnerability. OpenVAS Vulnerability Test $Id: gbmsoutlookexpressdosvuln.nasl 5370 2017-02-20 15:24:26Z cfi $ Microsoft Outlook Express Malformed MIME Message DoS Vulnerability Authors: Chandan S Copyright:...

Opera Web Browser DoS attacks on MIME via malformed MIME emails (Windows)

The host is installed with Opera Web Browser and is prone to denial of service vulnerability. OpenVAS Vulnerability Test $Id: gboperamimedosvulnwin.nasl 6532 2017-07-05 07:42:05Z cfischer $ Opera Web Browser DoS attacks on MIME via malformed MIME emails Windows Authors: Chandan S Copyright:...

NOD32 Email Message Denial of Service Vulnerability

This host is installed with NOD32 Antivirus and is prone to Denial of Service vulnerability. OpenVAS Vulnerability Test $Id: gbnod32emailmessagedos.nasl 5370 2017-02-20 15:24:26Z cfi $ NOD32 E-mail message Denial of Service Vulnerability Authors: Sujit Ghosal Copyright: Copyright c 2008 Greenbone...