CVE-2025-66382

2.9 LOW

Published: November 28, 2025 Modified: December 19, 2025

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.

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

0.0 Low Medium High Critical 10.0

Vector String

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

Patch Vendor Advisory Exploit Third Party Advisory

Source: cve@mitre.org

Issue Tracking

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List

2 reference(s) from NVD

CVSS v3 Score

2.9 / 10.0

EPSS (Exploit Probability)

0.0%

2th percentile

Exploitation Status

Not in CISA KEV

CWE-407

libexpat_project