# net-imap (RubyGems) vulnerabilities

10 known vulnerabilities (1 high, 7 medium, 2 low), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://rubygems.org/gems/net-imap

## Advisories (10)

### [CVE-2026-47242](https://cve.now/CVE-2026-47242): Net::IMAP: Command Injection via ID command argument

- Severity: Medium 5.8
- Published: Jun 22, 2026
- Affected: from 0.6.0, fixed in 0.6.4.1; fixed in 0.5.15.

### [CVE-2026-47240](https://cve.now/CVE-2026-47240): Net::IMAP: Command Injection via non-synchronizing literal in "raw" argument

- Severity: Medium 5.8
- Published: Jun 22, 2026
- Affected: from 0.6.0, fixed in 0.6.4.1; fixed in 0.5.15.

### [CVE-2026-47241](https://cve.now/CVE-2026-47241): Net::IMAP: Denial of Service via incomplete raw argument validation

- Severity: Low 2.1
- Published: Jun 22, 2026
- Affected: from 0.6.0, fixed in 0.6.4.1; fixed in 0.5.15.

### [CVE-2026-42258](https://cve.now/CVE-2026-42258): net-imap: Command Injection via unvalidated Symbol inputs

- Severity: Medium 5.8
- Published: May 9, 2026
- Affected: from 0.6.0, fixed in 0.6.4; from 0.5.0, fixed in 0.5.14; fixed in 0.4.24.

### [CVE-2026-42257](https://cve.now/CVE-2026-42257): net-imap: Command Injection via "raw" arguments to multiple commands

- Severity: Medium 5.8
- Published: May 9, 2026
- Affected: from 0.6.0, fixed in 0.6.4; from 0.5.0, fixed in 0.5.14; fixed in 0.4.24.

### [CVE-2026-42256](https://cve.now/CVE-2026-42256): net-imap: Denial of service via high iteration count for \`SCRAM-\*\` authentication

- Severity: Medium 6.0
- Published: May 9, 2026
- Affected: from 0.6.0, fixed in 0.6.4; from 0.5.0, fixed in 0.5.14; from 0.4.0, fixed in 0.4.24.

### [CVE-2026-42245](https://cve.now/CVE-2026-42245): net-imap: Quadratic complexity when reading response literals

- Severity: Low 2.3
- Published: May 9, 2026
- Affected: from 0.6.0, fixed in 0.6.4; from 0.5.0, fixed in 0.5.14; fixed in 0.4.24.

### [CVE-2026-42246](https://cve.now/CVE-2026-42246): net-imap vulnerable to STARTTLS stripping via invalid response timing

- Severity: High 7.6
- Published: May 9, 2026
- Affected: from 0.6.0, fixed in 0.6.4; from 0.5.0, fixed in 0.5.14; from 0.4.0, fixed in 0.4.24; fixed in 0.3.10.

### [CVE-2025-43857](https://cve.now/CVE-2025-43857): net-imap rubygem vulnerable to possible DoS by memory exhaustion

- Severity: Medium 6.0
- Published: Apr 28, 2025
- Affected: from 0.5.0, fixed in 0.5.7; from 0.4.0, fixed in 0.4.20; from 0.3.0, fixed in 0.3.9; fixed in 0.2.5.

### [CVE-2025-25186](https://cve.now/CVE-2025-25186): Net::IMAP vulnerable to possible DoS by memory exhaustion

- Severity: Medium 6.5
- Published: Feb 10, 2025
- Affected: from 0.3.2, fixed in 0.3.8; from 0.4.0, fixed in 0.4.19; from 0.5.0, fixed in 0.5.6.

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