Memory Allocation with Excessive Size Value Affecting activestorage package, versions <7.2.3.1>=8.0.0.beta1, <8.0.4.1>=8.1.0.beta1, <8.1.2.1
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Test your applications- Snyk IDSNYK-RUBY-ACTIVESTORAGE-15762698
- published24 Mar 2026
- disclosed24 Mar 2026
- creditUnknown
Introduced: 24 Mar 2026
NewCVE-2026-33174 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade activestorage to version 7.2.3.1, 8.0.4.1, 8.1.2.1 or higher.
Overview
Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value in the Blobs::ProxyController. An attacker can exhaust server memory by sending requests with large or unbounded range headers.