CVE-2025-66382

LOW
2025-11-28 [email protected]
2.9
CVSS 3.1

CVSS Vector

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

2
Analysis Generated
Mar 28, 2026 - 19:24 vuln.today
CVE Published
Nov 28, 2025 - 07:15 nvd
LOW 2.9

Tags

Information Disclosure Libexpat

Description

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.

Analysis

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 Context

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.

Affected Products

Libexpat Project Libexpat.

Remediation

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.

Priority Score

14
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +14
POC: 0

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CVE-2025-66382 vulnerability details – vuln.today
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