CVE-2020-37248

OfflineIMAP prior to version 8.0.3 is affected by a STARTTLS trust issue: the client trusts the server’s STARTTLS capability before authentication, enabling man-in-the-middle attacks that can exfiltrate credentials in cleartext. This vulnerability can enable an attacker to take over the connectio...

Important: ruby3.4

Issue Overview: zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0 and 3.2.1 contain a buffer overflow vulnerability in the Zlib::GzipReader. The zstreambufferungets function prepends caller-provided bytes ahead of previously...

UBUNTU-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...

CVE-2026-42257

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, several Net::IMAP commands accept a raw string argument that is sent to the server without validation or escaping. If this string is derived from user-controlled...

CVE-2026-42257

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, several Net::IMAP commands accept a raw string argument that is sent to the server without validation or escaping. If this string is derived from user-controlled...

CVE-2026-42256 net-imap: Denial of service via high iteration count for `SCRAM-*` authentication

Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. From versions 0.4.0 to before 0.4.24, 0.5.0 to before 0.5.14, and 0.6.0 to before 0.6.4, when authenticating a connection with SCRAM-SHA1 or SCRAM-SHA256, a hostile server can perform a computational...

[SECURITY] Fedora 44 Update: roundcubemail-1.7~rc6-1.fc44

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...

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...

[SECURITY] Fedora 43 Update: roundcubemail-1.6.12-1.fc43

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...

EUVD-2003-0296

Malware in sbrugna...

EUVD-2003-0294

Malware in sbrugna...

EUVD-2003-0291

Malware in sbrugna...

EUVD-2003-0292

Malware in sbrugna...

EUVD-2003-0295

Malware in sbrugna...

EUVD-2003-0297

Malware in sbrugna...

EUVD-2003-0293

Malware in sbrugna...

Security Bulletin: Astronomer with IBM is vulnerable to memory exhaustion due to the Net::IMAP package (CVE-2025-43857)

Summary Net::IMAP is used by Astronomer with IBM as part of the IMAP client functionality. Vulnerability Details CVEID:CVE-2025-43857 DESCRIPTION: 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...

UBUNTU-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-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...

Internet Bug Bounty: Possible DoS by memory exhaustion in net/imap

The net-imap gem implemented an IMAP client in Ruby. Versions prior to 0.3.8, 0.4.19, and 0.5.6 contained a vulnerability that could lead to denial of service by memory exhaustion. The vulnerability was caused by the response parser using Rangetoa to convert uid-set data without limiting the...