Allocation of Resources Without Limits or Throttling Affecting activesupport package, versions <7.2.3.1>=8.0.0.beta1, <8.0.4.1>=8.1.0.beta1, <8.1.2.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published24 Mar 2026
- disclosed24 Mar 2026
- creditUnknown
Introduced: 24 Mar 2026
NewCVE-2026-33176 (opens in a new tab)How to fix?
Upgrade activesupport to version 7.2.3.1, 8.0.4.1, 8.1.2.1 or higher.
Overview
activesupport is a toolkit of support libraries and Ruby core extensions extracted from the Rails framework.
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in NumberConverter. An attacker can cause excessive memory allocation by submitting strings containing scientific notation (such as 1e10000), which are expanded into extremely large decimal representations when formatted.