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+---
+layout: news_post
+title: "CVE-2024-39908 : DoS in REXML"
+author: "watson1978"
+translator:
+date: 2024-07-16 03:00:00 +0000
+tags: security
+lang: en
+---
+
+There is a DoS vulnerability in REXML gem. This vulnerability has been assigned the CVE identifier [CVE-2024-39908](https://www.cve.org/CVERecord?id=CVE-2024-399086). We strongly recommend upgrading the REXML gem.
+
+## Details
+
+When it parses an XML that has many specific characters such as `<`, `0` and `%>`. REXML gem may take long time.
+
+Please update REXML gem to version 3.3.2 or later.
+
+## Affected versions
+
+* REXML gem 3.3.2 or prior
+
+## Credits
+
+Thanks to [mprogrammer](https://hackerone.com/mprogrammer) for discovering this issue.
+
+## History
+
+* Originally published at 2024-07-16 03:00:00 (UTC)