What is the CVSS score of CVE-2025-66382?

CVE-2025-66382 has a CVSS 3.1 base score of 2.9 (Low). CVSS vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2025-66382?

During next maintenance window: Apply vendor patches when convenient. Monitor vendor channels for updates.

CVE-2025-66382

LOW

Inefficient Algorithmic Complexity (CWE-407)

2025-11-28 cve@mitre.org

Information Disclosure

2.9

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

2.9 LOW

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:24 vuln.today

CVE Published

Nov 28, 2025 - 07:15 nvd

LOW 2.9

DescriptionCVE.org

In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time.

AnalysisAI

In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time. Rated low severity (CVSS 2.9), this vulnerability is no authentication required. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-407. In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time. Affected products include: Libexpat Project Libexpat. Version information: through 2.7.3.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.