Zimbra Collaboration Server < 8.7.11 Patch 9, 8.8 < 8.8.9 Patch 10, 8.8.10 < Patch 7, 8.8.11 < Patch 3

According to its self-reported version number, Zimbra Collaboration Server is affected by an object derserialization vulnerability in the IMAP componet. Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number. %NASLMINLEVEL 8090...

SQL Injection

Overview z-push/z-push-dev is an open-source application to synchronize ActiveSync compatible devices Affected versions of this package are vulnerable to SQL Injection due to unparameterized queries in the IMAP backend. An attacker can inject malicious commands by manipulating the username field ...

net-imap: Net::IMAP vulnerable to possible DoS by memory exhaustion

A flaw was found in Ruby's net-imap library. In certain versions, there is a possibility for denial of service by memory exhaustion in the net-imap response parser. At any time while the client is connected, a malicious server can send highly compressed uid-set data, which is automatically read b...

USN-8478-1 ruby2.7, ruby3.0, ruby3.2, ruby3.3 vulnerabilities

It was discovered that Ruby's Net::IMAP library did not properly verify that TLS encryption was started after issuing a STARTTLS command. A remote attacker could use this to perform a machine-in-the-middle attack and silently bypass TLS encryption. CVE-2026-42246 It was discovered that Ruby's...

PT-2026-36987

Name of the Vulnerable Software and Affected Versions net-imap affected versions not specified Description A hostile IMAP server can trigger a computational denial-of-service attack on the client process during authentication using SCRAM-SHA1 or SCRAM-SHA256. By sending an arbitrarily large PBKDF...

PT-2026-37183

Name of the Vulnerable Software and Affected Versions Net::IMAP versions prior to 0.3.10 Net::IMAP versions prior to 0.4.24 Net::IMAP versions prior to 0.5.14 Net::IMAP versions prior to 0.6.4 Description A man-in-the-middle attacker can cause the starttls function to return successfully without...

ROS-20250619-02

A vulnerability in the Net::IMAP module of the Ruby programming language is related to uncontrolled memory allocation. memory. Exploitation of the vulnerability could allow an attacker acting remotely to cause a denial of denial of service...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: jfs: Fixed the uninit-value access to imap allocated in the diMount function. The syzbot reports that hexdumptobuffer uses uninit-value: ===================================================== BUG: KMSAN: uninit-value in...

Astra Linux – Vulnerability in Ruby 3.1

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 was a possibility of a denial-of-service attack due to memory exhaustion when the net-imap component read server responses. At any time while the clien...

TencentOS Server 3: cyrus-imapd (TSSA-2022:0245)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2022:0245 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

TencentOS Server 4: cyrus-imapd (TSSA-2024:1073)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2024:1073 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

OESA-2025-1640 ruby security update

Ruby is a fast and easy interpreted scripting language for object-oriented programming. It has many functions for processing text Files and perform system management tasks such as Perl. Security Fixes: Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior ...

[SECURITY] Fedora 41 Update: roundcubemail-1.6.11-1.fc41

RoundCube Webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking. RoundCube Webmail is written in...

[SECURITY] Fedora 42 Update: roundcubemail-1.6.11-1.fc42

RoundCube Webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking. RoundCube Webmail is written in...

RHEL 10 : ruby (RHSA-2025:8131)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:8131 advisory. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system...

Security update for python311

This update for python311 fixes the following issues: CVE-2025-4516: Fixed blocking DecodeError handling vulnerability, which could lead to DoS. bsc1243273 Update to 3.11.12: gh-105704: When using urllib.parse.urlsplit and urllib.parse.urlparse host parsing would not reject domain names containin...

net-imap: Net::IMAP vulnerable to possible DoS by memory exhaustion

A flaw was found in Ruby's net-imap library. In certain versions, there is a possibility for denial of service by memory exhaustion in the net-imap response parser. At any time while the client is connected, a malicious server can send highly compressed uid-set data, which is automatically read b...

ALSA-2025:8131 Moderate: ruby security update

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fixes: net-imap: Net::IMAP vulnerable to possible DoS by memory exhaustion CVE-2025-25186 CGI: Denial of Service in CGI::Cookie.parse...

CVE-2024-48890

An improper neutralization of special elements used in an OS command 'OS Command Injection' vulnerability CWE-78 in FortiSOAR IMAP connector version 3.5.7 and below may allow an authenticated attacker to execute unauthorized code or commands via a specifically crafted playbook...

CVE-2023-35169

PHP-IMAP is a wrapper for common IMAP communication without the need to have the php-imap module installed / enabled. Prior to version 5.3.0, an unsanitized attachment filename allows any unauthenticated user to leverage a directory traversal vulnerability, which results in a remote code executio...