NV CSSOM up to 0.5.0 CSSStyleDeclaration.setProperty memory allocation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 1.55- |
Summary
A vulnerability categorized as problematic has been discovered in NV CSSOM up to 0.5.0. This impacts the function CSSStyleDeclaration.setProperty. Such manipulation leads to memory allocation.
This vulnerability is uniquely identified as CVE-2026-93752. The attack can be launched remotely. No exploit exists.
Details
A vulnerability, which was classified as problematic, has been found in NV CSSOM up to 0.5.0. Affected by this issue is the function CSSStyleDeclaration.setProperty. The manipulation with an unknown input leads to a memory allocation vulnerability. Using CWE to declare the problem leads to CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. Impacted is availability. CVE summarizes:
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.
The advisory is available at github.com. This vulnerability is handled as CVE-2026-93752 since 09/18/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
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Product
Vendor
Name
Version
Website
- Product: https://github.com/NV/CSSOM/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 7.5
CNA Vector (VulnCheck): 🔒
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Memory allocationCWE: CWE-789 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
09/18/2026 Advisory disclosed09/18/2026 CVE reserved
09/18/2026 VulDB entry created
09/18/2026 VulDB entry last update
Sources
Product: github.comAdvisory: github.com
Status: Not defined
CVE: CVE-2026-93752 (🔒)
GCVE (CVE): GCVE-0-2026-93752
GCVE (VulDB): GCVE-100-407702
Entry
Created: 09/18/2026 20:12Changes: 09/18/2026 20:12 (74)
Complete: 🔍
Cache ID: 216::103
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