net-imap vulnerable to command Injection via unvalidated Symbol inputs

Summary Symbol arguments to commands are vulnerable to a CRLF Injection / IMAP Command injection via Symbol arguments passed to IMAP commands. Details Symbol arguments represent IMAP "system flags", which are formatted as "atoms" with no quoting with a "" prefix. Vulnerable versions of Net::IMAP...

Use of Blocking Code in Single-threaded, Non-blocking Context

Overview Affected versions of this package are vulnerable to Use of Blocking Code in Single-threaded, Non-blocking Context through the OpenSSL::KDF.pbkdf2hmac function during SCRAM authentication. An attacker can cause the Ruby client VM to become unresponsive by sending a large iteration count...

net-imap vulnerable to denial of service via high iteration count for `SCRAM-*` authentication

Summary When authenticating a connection with SCRAM-SHA1 or SCRAM-SHA256, a hostile server can perform a computational denial-of-service attack on the client process by sending a big iteration count value. Details A hostile IMAP server can send an arbitrarily large PBKDF2 iteration count in the...

GHSA-87PF-FPWV-P7M7 net-imap vulnerable to denial of service via high iteration count for `SCRAM-*` authentication

Summary When authenticating a connection with SCRAM-SHA1 or SCRAM-SHA256, a hostile server can perform a computational denial-of-service attack on the client process by sending a big iteration count value. Details A hostile IMAP server can send an arbitrarily large PBKDF2 iteration count in the...

Inefficient Algorithmic Complexity

Overview Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity through the ResponseReader class. An attacker can exhaust the client's CPU by sending specially crafted IMAP responses containing many string literals, leading to significant performance degradation in...

Improper Enforcement of Behavioral Workflow

Overview Affected versions of this package are vulnerable to Improper Enforcement of Behavioral Workflow via the starttls function. An attacker can intercept and manipulate the communication by injecting a crafted response before the client completes sending the command, causing the connection to...

GHSA-VCGP-9326-PQCP net-imap vulnerable to STARTTLS stripping via invalid response timing

Summary A man-in-the-middle attacker can cause Net::IMAPstarttls to return "successfully", without starting TLS. Details When using Net::IMAPstarttls to upgrade a plaintext connection to use TLS, a man-in-the-middle attacker can inject a tagged OK response with an easily predictable tag. By sendi...

PT-2026-37050

Name of the Vulnerable Software and Affected Versions 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 Symbol arguments passed to IMAP commands are susceptible to CRLF Injection and IMAP Command injection. Symbol arguments represe...

net-imap vulnerable to command Injection via unvalidated Symbol inputs

Summary Symbol arguments to commands are vulnerable to a CRLF Injection / IMAP Command injection via Symbol arguments passed to IMAP commands. Details Symbol arguments represent IMAP "system flags", which are formatted as "atoms" with no quoting with a "" prefix. Vulnerable versions of Net::IMAP...

MiracleLinux 9 : ruby:3.3 (AXSA:2025-9954:01)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2025-9954:01 advisory. net-imap: Net::IMAP vulnerable to possible DoS by memory exhaustion CVE-2025-25186 CGI: Denial of Service in CGI::Cookie.parse CVE-2025-27219 uri:...

MiracleLinux 8 : ruby:3.3 (AXSA:2025-10474:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2025-10474:01 advisory. net-imap: Net::IMAP vulnerable to possible DoS by memory exhaustion CVE-2025-25186 CGI: Denial of Service in CGI::Cookie.parse CVE-2025-27219 uri:...

net-imap rubygem vulnerable to possible DoS by memory exhaustion

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TencentOS Server 4: ruby (TSSA-2025:0467)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2025:0467 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

EUVD-2025-4076

Malicious code in bioql PyPI...

EUVD-2025-12559

Malicious code in bioql PyPI...

ruby security update

An update is available for ruby. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Ruby is an extensible, interpreted, object-oriented, scripting language. It has...

EulerOS 2.0 SP13 : ruby (EulerOS-SA-2025-2140)

According to the versions of the ruby packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : 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...

EulerOS 2.0 SP10 : ruby (EulerOS-SA-2025-2112)

According to the versions of the ruby packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : 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...

EulerOS 2.0 SP10 : ruby (EulerOS-SA-2025-2084)

According to the versions of the ruby packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : 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...

EulerOS 2.0 SP12 : ruby (EulerOS-SA-2025-2025)

According to the versions of the ruby packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : 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...