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.
Published: 2025-11-28
Score: 2.9 Low
EPSS: < 1% Very Low
KEV: No
Impact: Denial of Service
Action: Assess Impact
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Tue, 12 May 2026 13:30:00 +0000

Type Values Removed Values Added
References

Wed, 03 Dec 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 02 Dec 2025 03:30:00 +0000

Type Values Removed Values Added
References

Fri, 28 Nov 2025 12:15:00 +0000

Type Values Removed Values Added
Title libexpat: libexpat: Denial of service via crafted file processing
References
Metrics threat_severity

None

threat_severity

Low


Fri, 28 Nov 2025 06:30:00 +0000

Type Values Removed Values Added
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.
First Time appeared Libexpat Project
Libexpat Project libexpat
Weaknesses CWE-407
CPEs cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*
Vendors & Products Libexpat Project
Libexpat Project libexpat
References
Metrics cvssV3_1

{'score': 2.9, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'}


Subscriptions

Libexpat Project Libexpat
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-05-12T12:08:38.446Z

Reserved: 2025-11-28T00:00:00.000Z

Link: CVE-2025-66382

cve-icon Vulnrichment

Updated: 2025-12-02T02:34:18.532Z

cve-icon NVD

Status : Modified

Published: 2025-11-28T07:15:57.900

Modified: 2026-05-12T13:17:23.933

Link: CVE-2025-66382

cve-icon Redhat

Severity : Low

Publid Date: 2025-11-28T00:00:00Z

Links: CVE-2025-66382 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-04-20T21:45:18Z

Weaknesses