CVE-2023-52425

Advisory lineage Upstream: 0 Downstream: 45
Modified
Published: 04 Feb 2024, 00:00
Last modified:04 Nov 2025, 18:21

Vulnerability Summary

Overall Risk (default)
medium
40/100
CVSS Score
7.5 HIGH
v3.1 (cve.org)
EPSS Score
1.55% LOW
2% probability +0.27%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

04 Feb 2024, 00:00
Published
Vulnerability first disclosed
04 Nov 2025, 18:21
Last Modified
Vulnerability information updated

Description

libexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in the case of a large token for which multiple buffer fills are needed.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 1.55%• Percentile: 82%

Techniques & Countermeasures

  • CWE-400•Uncontrolled Resource Consumption

    The product does not properly control the allocation and maintenance of a limited resource.

Affected Systems

  • libexpat_project•libexpat

    ≤ 2.5.0

References (8)