Skip to content

Add CVE-2025-25186: DoS vulnerability in net-imap #3489

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Feb 10, 2025
Merged

Add CVE-2025-25186: DoS vulnerability in net-imap #3489

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
29 changes: 29 additions & 0 deletions en/news/_posts/2025-02-11-dos-net-imap-cve-2025-25186.md
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
---
layout: news_post
title: "CVE-2025-25186: DoS vulnerability in net-imap"
author: "nevans"
translator:
date: 2025-02-11 03:00:00 +0000
tags: security
lang: en
---

There is a possibility for DoS by in the net-imap gem. This vulnerability has been assigned the CVE identifier [CVE-2025-25186](https://www.cve.org/CVERecord?id=CVE-2025-25186). We recommend upgrading the net-imap gem.

## Details

A malicious server can send highly compressed uid-set data which is automatically read by the client's receiver thread. The response parser uses Range#to_a to convert the uid-set data into arrays of integers, with no limitation on the expanded size of the ranges.

Please update net-imap gem to version 0.3.8, 0.4.19, 0.5.6, or later.

## Affected versions

* net-imap gem between 0.3.2 and 0.3.8, 0.4.0 and 0.4.19, or 0.5.0 and 0.5.6

## Credits

Thanks to [manun](https://hackerone.com/manun) for discovering this issue.

## History

* Originally published at 2025-02-11 03:00:00 (UTC)