---
title: "ruby-lang net::imap vulnerabilities and CVEs"
url: https://radicalnotion.ai/vendor/rubylang/net-imap
type: product
description: "ruby-lang net::imap has 6 published CVEs, 0 in CISA KEV and 0 with public exploits."
updated: 2026-05-09
source: RadicalNotion.AI
license: CC BY-NC 4.0 (https://creativecommons.org/licenses/by-nc/4.0/)
---

# ruby-lang net::imap vulnerabilities

Vendor: [ruby-lang](https://radicalnotion.ai/vendor/rubylang)

- **Published CVEs:** 6
- **In CISA KEV:** 0
- **With a public exploit:** 0
- **With a patch:** 6
- **Average CVSS:** 5.6
- **First CVE:** 2025-04-28
- **Latest CVE:** 2026-05-09

## Severity breakdown

| Severity | CVEs |
| --- | --- |
| Critical | 0 |
| High | 1 |
| Medium | 4 |
| Low | 1 |
| Unscored | 0 |

## Most common weakness types

| CWE | Name | CVEs |
| --- | --- | --- |
| [CWE-392](https://radicalnotion.ai/cwe/cwe-392) | Missing Report of Error Condition | 1 |
| [CWE-400](https://radicalnotion.ai/cwe/cwe-400) | Uncontrolled Resource Consumption | 1 |
| [CWE-407](https://radicalnotion.ai/cwe/cwe-407) | Inefficient Algorithmic Complexity | 1 |
| [CWE-77](https://radicalnotion.ai/cwe/cwe-77) | Improper Neutralization of Special Elements used in a Command ('Command Injection') | 1 |
| [CWE-770](https://radicalnotion.ai/cwe/cwe-770) | Allocation of Resources Without Limits or Throttling | 1 |
| [CWE-93](https://radicalnotion.ai/cwe/cwe-93) | Improper Neutralization of CRLF Sequences ('CRLF Injection') | 1 |

## CVEs by year

| Year | CVEs published |
| --- | --- |
| 2025 | 1 |
| 2026 | 5 |

## Affected versions

| Version | Kind | CVEs |
| --- | --- | --- |
| 0.5.0 \<= v \< 0.5.14 | range | 5 |
| 0.6.0 \<= v \< 0.6.4 | range | 5 |
| \< 0.4.24 | range | 3 |
| 0.4.0 \<= v \< 0.4.24 | range | 2 |
| \< 0.2.5 | range | 1 |
| \< 0.3.10 | range | 1 |
| 0.3.0 \<= v \< 0.3.9 | range | 1 |
| 0.4.0 \<= v \< 0.4.20 | range | 1 |
| 0.5.0 \<= v \< 0.5.7 | range | 1 |
| 0.4.24 | patched | 5 |
| 0.5.14 | patched | 5 |
| 0.6.4 | patched | 5 |
| 0.2.5 | patched | 1 |
| 0.3.10 | patched | 1 |
| 0.3.9 | patched | 1 |
| 0.4.20 | patched | 1 |
| 0.5.7 | patched | 1 |

## CVEs

| CVE | Title | Severity | CVSS | CISA KEV | Public exploit | Patch |
| --- | --- | --- | --- | --- | --- | --- |
| CVE-2026-42258 | net-imap: Command Injection via unvalidated Symbol inputs | medium | 5.8 | No | No | Yes |
| CVE-2026-42257 | net-imap: Command Injection via "raw" arguments to multiple commands | medium | 5.8 | No | No | Yes |
| CVE-2026-42256 | net-imap: Denial of service via high iteration count for \`SCRAM-\*\` authentication | medium | 6.0 | No | No | Yes |
| CVE-2026-42245 | net-imap: Quadratic complexity when reading response literals | low | 2.3 | No | No | Yes |
| CVE-2026-42246 | net-imap vulnerable to STARTTLS stripping via invalid response timing | high | 7.6 | No | No | Yes |
| CVE-2025-43857 | net-imap rubygem vulnerable to possible DoS by memory exhaustion | medium | 6.0 | No | No | Yes |

## Frequently asked questions

### How many CVEs does ruby-lang net::imap have?

ruby-lang net::imap has 6 published CVE records since 2025.

### How many ruby-lang net::imap CVEs are in CISA KEV?

None of ruby-lang net::imap's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.

### Are there public exploits for ruby-lang net::imap vulnerabilities?

No ruby-lang net::imap CVEs currently have a tracked public exploit in this dataset.

### Which versions of ruby-lang net::imap are affected?

17 distinct ruby-lang net::imap versions are named across its CVEs. Use the version filter above to see the CVEs affecting a specific version.

### What are the most common weakness types in ruby-lang net::imap CVEs?

ruby-lang net::imap's CVEs most often map to these CWE weakness types: CWE-392 (Missing Report of Error Condition), CWE-400 (Uncontrolled Resource Consumption), CWE-407 (Inefficient Algorithmic Complexity), CWE-77 (Improper Neutralization of Special Elements used in a Command ('Command Injection')).

### What is the average severity of ruby-lang net::imap CVEs?

The average CVSS base score across ruby-lang net::imap's scored CVEs is 5.6.

## Other products from this vendor

- [Ruby](https://radicalnotion.ai/vendor/rubylang/ruby) (115 CVEs)
- [rexml](https://radicalnotion.ai/vendor/rubylang/rexml) (8 CVEs)
- [CGI](https://radicalnotion.ai/vendor/rubylang/cgi) (5 CVEs)
- [webrick](https://radicalnotion.ai/vendor/rubylang/webrick) (5 CVEs)
- [URI](https://radicalnotion.ai/vendor/rubylang/uri) (4 CVEs)
- [openssl](https://radicalnotion.ai/vendor/rubylang/openssl) (2 CVEs)
- [rdoc](https://radicalnotion.ai/vendor/rubylang/rdoc) (2 CVEs)
- [date](https://radicalnotion.ai/vendor/rubylang/date) (1 CVEs)

---

Source: [RadicalNotion.AI](https://radicalnotion.ai/vendor/rubylang/net-imap). Licensed CC BY-NC 4.0; attribute RadicalNotion.AI and link the source page when you reuse this data.