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VULNERABILITIES

CVE-2026-93752 Details

Description

CSSOM through 0.5.0 contains a denial of service vulnerability in CSSStyleDeclaration.setProperty() that fails to validate reserved property names. Attackers can supply a stylesheet with a declaration named length to replace the internal counter and trigger excessive memory allocation during cssText serialization, causing process termination.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/NV/CSSOM/issues/119 CISA-ADP
https://github.com/NV/CSSOM [email protected]
https://github.com/NV/CSSOM/blob/00ec21868e12422581c81779135c2f1648441204/lib/CSSStyleDeclaration.js#L112-L124 [email protected]
https://github.com/NV/CSSOM/blob/00ec21868e12422581c81779135c2f1648441204/lib/CSSStyleDeclaration.js#L41-L56 [email protected]
https://github.com/NV/CSSOM/issues/119 [email protected]

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-915Improperly Controlled Modification of Dynamically-Determined Object Attributes[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-93752
NVD Published Date:
Sep 18, 2026
NVD Last Modified:
Sep 22, 2026
Source:
[email protected]
CVE-2026-93752 Details - Not Deferred