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CVE-2025-66453

Rhino vulnerable high CPU usage and potential DoS when passing specific numbers to toFixed() function

Published: Dec 3, 2025Updated: Apr 14, 2026 Sources: CVE List NVD GHSA BDUCWE-400
7.5HIGH
NVD MITRE
EPSS Score
0.2%
Top 86.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Rhino has high CPU usage and potential DoS when passing specific numbers to `toFixed()` function

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-400

Affected Products

Maven
package-ecosystem
org.mozilla:rhino
OSS Libraries
Mozilla Corp.
oss-project·USaka mozilla
Rhino
Consumer Software
Google Inc
commercial·USaka google
Android StudioOn-premDesktop App
Mobile Apps
and 1 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://github.com/mozilla/rhino/security/advisories/GHSA-3w8q-xq97-5j7x
github.com
https://nvd.nist.gov/vuln/detail/CVE-2025-66453
nvd.nist.gov
https://github.com/mozilla/rhino/commit/2bcf4c43deace35f1f57d86377c6767b0608986e
github.com
and 1 more references View all →
News mentions
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