[SECURITY] Fedora 43 Update: nginx-1.30.1-1.fc43

Nginx is a web server and a reverse proxy server for HTTP, SMTP, POP3 and IMAP protocols, with a strong focus on high concurrency, performance and low memory usage...

CVE-2026-42245

Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, Net::IMAP::ResponseReader has quadratic time complexity when reading large responses containing many string literals. A hostile server can send responses which are...

CLSA-2026-1774613805 python3: Fix of CVE-2025-15366

CVE-2025-15366: reject control characters in IMAP commands...

curl: Security Vulnerability Report: Protocol Injection via Programmatic Options

Summary Multiple text-based protocol handlers in libcurl including FTP, SMTP, POP3, and IMAP are vulnerable to protocol command injection. This occurs when an application sets credentials or other protocol-specific options programmatically e.g., via CURLOPTUSERNAME, CURLOPTPASSWORD, or...

USN-8018-3: Python 2.7 vulnerabilities

USN-8018-1 fixed CVE-2025-12084, CVE-2025-15282, CVE-2026-0672, CVE-2026-0865 for python3. This update provides the corresponding updates for python2.7. Original advisory details: Denis Ledoux discovered that Python incorrectly parsed email message headers. An attacker could possibly use this iss...

MiracleLinux 4 : cyrus-imapd-2.3.16-6.AXS4.3 (AXSA:2011-675:01)

The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2011-675:01 advisory. The cyrus-imapd package contains the core of the Cyrus IMAP server. It is a scaleable enterprise mail system designed for use from small to large...

EUVD-2025-12559

Malicious code in bioql PyPI...

CVE-2002-2325

The c-client library in Internet Message Access Protocol IMAP dated before 2002 RC2, as used by Pine 4.20 through 4.44, allows remote attackers to cause a denial of service client crash via a MIME-encoded email with Content-Type header containing an empty boundary field...

SUSE CVE-2003-0297

c-client IMAP Client, as used in imap-2002b and Pine 4.53, allows remote malicious IMAP servers to cause a denial of service crash and possibly execute arbitrary code via certain large 1 literal and 2 mailbox size values that cause either integer signedness errors or integer overflow errors...

An improper authentication vulnerability exists in curl 7.33.0 to and including 7.82.0 which might allow reuse OAUTH2-authenticated connections without properly making sure that the connection was authenticated with the same credentials as set for this transfer. This affects SASL-enabled protocols: SMPTP(S) IMAP(S) POP3(S) and LDAP(S) (openldap only).

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AZL-6365 CVE-2021-22946 affecting package curl for versions less than 7.82.0-1

A user can tell curl = 7.20.0 and = 7.78.0 to require a successful upgrade to TLS when speaking to an IMAP, POP3 or FTP server --ssl-reqd on the command line orCURLOPTUSESSL set to CURLUSESSLCONTROL or CURLUSESSLALL withlibcurl. This requirement could be bypassed if the server would return a...

Mozilla: IMAP server responses sent by a MITM prior to STARTTLS could be processed

If Thunderbird was configured to use STARTTLS for an IMAP connection, and an attacker injected IMAP server responses prior to the completion of the STARTTLS handshake, then Thunderbird didn't ignore the injected data. This could have resulted in Thunderbird showing incorrect information, for...

DEBIAN-CVE-2020-25275

Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted email message with certain choices for ten thousand MIME parts...

Fedora Update for cyrus-imapd FEDORA-2019-7938c21723

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Dovecot Information Disclosure Vulnerability

Dovecot is an open source based on Linux/UNIX-like systems IMAP and POP3 mail server . An information disclosure vulnerability exists in Dovecot. The vulnerability stems from a configuration or other error in the operation of a networked system or product. An unauthorized attacker could exploit t...

[SECURITY] Fedora 29 Update: cyrus-imapd-3.0.10-1.fc29

The Cyrus IMAP Internet Message Access Protocol server provides access to personal mail, system-wide bulletin boards, news-feeds, calendar and contac ts through the IMAP, JMAP, NNTP, CalDAV and CardDAV protocols. The Cyrus IMAP server is a scalable enterprise groupware system designed for use fro...

UBUNTU-CVE-2018-19518

University of Washington IMAP Toolkit 2007f on UNIX, as used in imapopen in PHP and other products, launches an rsh command by means of the imaprimap function in c-client/imap4r1.c and the tcpaopen function in osdep/unix/tcpunix.c without preventing argument injection, which might allow remote...

CVE-2018-0684

Buffer overflow in Denbun by NEOJAPAN Inc. Denbun POP version V3.3P R3.0 and earlier, Denbun IMAP version V3.3I R3.0 and earlier allows remote attackers to execute arbitrary code or cause a denial-of-service DoS condition via multipart/form-data format data...

USN-3457-1 curl vulnerability

Brian Carpenter discovered that curl incorrectly handled IMAP FETCH response lines. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code...

[SECURITY] Fedora 26 Update: cyrus-imapd-3.0.3-1.fc26

The Cyrus IMAP Internet Message Access Protocol server provides access to personal mail, system-wide bulletin boards, news-feeds, calendar and contac ts through the IMAP, JMAP, NNTP, CalDAV and CardDAV protocols. The Cyrus IMAP server is a scalable enterprise groupware system designed for use fro...