cpython: IMAP command injection in user-controlled commands

A flaw was found in the imaplib module in the Python standard library. The imaplib module does not reject control characters, such as newlines, in user-controlled input passed to IMAP commands. This issue allows an attacker to inject additional commands to be executed in the IMAP server...

Moderate: python3.11 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...

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-2025-43857

Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.5.7, 0.4.20, 0.3.9, and 0.2.5, there is a possibility for denial of service by memory exhaustion when net-imap reads server responses. At any time while the client is connected, a maliciou...

CVE-2023-26433

When adding an external mail account, processing of IMAP "capabilities" responses are not limited to plausible sizes. Attacker with access to a rogue IMAP service could trigger requests that lead to excessive resource usage and eventually service unavailability. We now limit accepted IMAP server...

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...

SUSE CVE-2021-22946

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...

SUSE CVE-2022-22576

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 protocol...

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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ALPINE-CVE-2022-22576

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 protocol...

ruby: StartTLS stripping vulnerability in Net::IMAP

Ruby's Net::IMAP module did not raise an exception when receiving an unexpected response to the STARTTLS command and the connection was not upgraded to use TLS. A man-in-the-middle attacker could use this flaw to prevent Ruby applications using Net::IMAP to enable TLS encryption for a connection ...

ruby: StartTLS stripping vulnerability in Net::IMAP

Ruby's Net::IMAP module did not raise an exception when receiving an unexpected response to the STARTTLS command and the connection was not upgraded to use TLS. A man-in-the-middle attacker could use this flaw to prevent Ruby applications using Net::IMAP to enable TLS encryption for a connection ...

Apache James 安全漏洞

Apache James is an open source Smtp and Pop3 mail transfer agent and Nntp news server written entirely in Java from the Apache Foundation in the U.S. A security vulnerability exists in versions of Apache James prior to 3.6.1, which could be exploited by attackers to write IMAP list commands using...

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...

CVE-2021-22947

When curl = 7.20.0 and = 7.78.0 connects to an IMAP or POP3 server to retrieve data using STARTTLS to upgrade to TLS security, the server can respond and send back multiple responses at once that curl caches. curl would then upgrade to TLS but not flush the in-queue of cached responses but instea...

Alpine 命令注入漏洞

Alpine is an email program. A command injection vulnerability exists in Alpine 2.24 that arises from the affected product accepting an untagged response from an IMAP server before STARTTLS...

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...

dovecot: IMAP hibernation function allows mail access

An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages and path disclosure...