LiquidJS: memoryLimit Bypass through Negative Range Values Leads to Process Crash

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2026-33285
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-26 01:16:27 UTC
Updated2026-03-30 16:46:19 UTC
DescriptionLiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to version 10.25.1, LiquidJS's `memoryLimit` security mechanism can be completely bypassed by using reverse range expressions (e.g., `(100000000..1)`), allowing an attacker to allocate unlimited memory. Combined with a string flattening operation (e.g., `replace` filter), this causes a V8 Fatal error that crashes the Node.js process, resulting in complete denial of service from a single HTTP request. Version 10.25.1 patches the issue.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.000960000 probability, percentile 0.266080000 (date 2026-04-01)

Problem Types: CWE-20 | CWE-400 | CWE-20 CWE-20: Improper Input Validation | CWE-400 CWE-400: Uncontrolled Resource Consumption

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Liquidjs Liquidjs All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Harttle Liquidjs affected < 10.25.1 Not specified

References

ReferenceSourceLinkTags
github.com/harttle/liquidjs/commit/95ddefc056a11a44d9e753fd47a39db2c241e578 [email protected] github.com Patch
github.com/harttle/liquidjs/security/advisories/GHSA-9r5m-9576-7f6x [email protected] github.com Exploit, Vendor Advisory
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