Resource Exhaustion Affecting ruby3.2-rubygem-bigdecimal package, versions <0:3.1.3-184.amzn2023.0.3


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.54% (41st percentile)

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  • Snyk IDSNYK-AMZN2023-RUBY32RUBYGEMBIGDECIMAL-11483013
  • published6 Aug 2025
  • disclosed12 Jul 2025

Introduced: 12 Jul 2025

CVE-2025-24294  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 ruby3.2-rubygem-bigdecimal to version 0:3.1.3-184.amzn2023.0.3 or higher.
This issue was patched in ALAS2023-2025-1131.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby3.2-rubygem-bigdecimal package and not the ruby3.2-rubygem-bigdecimal package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

The attack vector is a potential Denial of Service (DoS). The vulnerability is caused by an insufficient check on the length of a decompressed domain name within a DNS packet.

An attacker can craft a malicious DNS packet containing a highly compressed domain name. When the resolv library parses such a packet, the name decompression process consumes a large amount of CPU resources, as the library does not limit the resulting length of the name.

This resource consumption can cause the application thread to become unresponsive, resulting in a Denial of Service condition.

CVSS Base Scores

version 3.1