1948 matches found
EUVD-2026-15023
A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking...
DEBIAN-CVE-2026-4371
A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking...
CVE-2026-4371
A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking...
UBUNTU-CVE-2026-4371
A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking...
CVE-2026-4371
A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking...
CVE-2026-4371 Out of bounds read in IMAP parsing
A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking...
CVE-2026-4371
A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking...
CVE-2019-25646 Tabs Mail Carrier 2.5.1 Buffer Overflow via MAIL FROM
Tabs Mail Carrier 2.5.1 contains a buffer overflow vulnerability in the MAIL FROM SMTP command that allows remote attackers to execute arbitrary code by sending a crafted MAIL FROM parameter. Attackers can connect to the SMTP service on port 25 and send a malicious MAIL FROM command with an...
Security Vulnerabilities fixed in Thunderbird 149 — Mozilla
A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking...
PT-2026-27517
Name of the Vulnerable Software and Affected Versions Thunderbird versions prior to 149 Thunderbird versions prior to 140.9 Description A specially crafted email could contain malformed strings with negative lengths, leading to a memory read outside of the intended buffer. Successful exploitation...
Security Vulnerabilities fixed in Thunderbird 140.9 — Mozilla
A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking...
SUSE CVE-1999-0512
A mail server is explicitly configured to allow SMTP mail relay, which allows abuse by spammers...
PT-2026-25700
Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to restrict plugin installation on CI test instances with default admin credentials which allows an unauthenticated attacker to achieve remote code execution and exfiltrate sensitive configuration data including AWS and...
CVE-2026-25529
Postal is an open source SMTP server. Postal versions less than 3.3.5 had a HTML injection vulnerability that allowed unescaped data to be included in the admin interface. The primary way for unescaped data to be added is via the API's "send/raw" method. This could allow arbitrary HTML to be...
CVE-2026-31974
OpenProject is an open-source, web-based project management software. Prior to 17.2.0, OpenProject SMTP test endpoint POST /admin/settings/mailnotifications accepts arbitrary host and port values and exhibits measurable differences in response behaviour depending on whether the target IP exists a...
ROS-20260310-73-0017
An Exim mail server vulnerability is related to a buffer overflow in dynamic memory. Exploitation of the vulnerability could allow an attacker acting remotely to cause a denial of service...
Clam AntiVirus Toolkit 1.5.2
Clam AntiVirus is an anti-virus toolkit for Unix. The main purpose of this software is the integration with mail servers attachment scanning. The package provides a flexible and scalable multi-threaded daemon, a command-line scanner, and a tool for automatic updating via Internet. The programs ar...
CVE-2026-28215
hoppscotch is an open source API development ecosystem. Prior to version 2026.2.0, an unauthenticated attacker can overwrite the entire infrastructure configuration of a self-hosted Hoppscotch instance including OAuth provider credentials and SMTP settings by sending a single HTTP POST request wi...
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-2026-26312
Stalwart Mail Server vulnerable in versions 0.13.0–0.15.4 to an out-of-memory Denial-of-Service when processing specially crafted emails with malformed nested message/rfc822 MIME parts via IMAP or JMAP. The issue stems from the mail-parser crate producing cyclical references that the server then ...