CVE-2023-52425

Aliases:ALPINE-CVE-2023-52425RHSA-2024:1615RHSA-2024:2575RHSA-2024:2839RHSA-2024:4259DEBIAN-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
1.81% LOW
2% probability +0.53%
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: 1.81%• Percentile: 78%

Techniques & Countermeasures

  • CWE-400•Uncontrolled Resource Consumption

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

Affected Systems

  • alpine•expat

    < 2.6.0-r0 | < 2.6.0-r0 | < 2.6.0-r0 | < 2.6.0-r0 | < 2.6.0-r0 | < 2.6.0-r0 | < 2.6.0-r0 | < 2.6.0-r0 | < 2.6.0-r0

  • debian•expat

    < 2.2.10-2+deb11u6 | < 2.5.0-1+deb12u2 | < 2.6.0-1 | < 2.6.0-1

  • debian•libxmltok

    all | all

  • libexpat_project•libexpat

    ≤ 2.5.0

  • redhat•expat

    < 0:2.2.5-11.el8_9.1 | < 0:2.2.5-11.el8_8.2 | < 0:2.2.5-8.el8_6.5

  • redhat•expat-debuginfo

    < 0:2.2.5-11.el8_9.1 | < 0:2.2.5-11.el8_8.2 | < 0:2.2.5-8.el8_6.5

  • redhat•expat-debugsource

    < 0:2.2.5-11.el8_9.1 | < 0:2.2.5-11.el8_8.2 | < 0:2.2.5-8.el8_6.5

  • redhat•expat-devel

    < 0:2.2.5-11.el8_9.1 | < 0:2.2.5-11.el8_8.2 | < 0:2.2.5-8.el8_6.5

  • redhat•xmlrpc-c

    < 0:1.51.0-9.el8_10

  • redhat•xmlrpc-c-apps-debuginfo

    < 0:1.51.0-9.el8_10 | < 0:1.51.0-9.el8_10

  • redhat•xmlrpc-c-c++

    < 0:1.51.0-9.el8_10

  • redhat•xmlrpc-c-c++-debuginfo

    < 0:1.51.0-9.el8_10 | < 0:1.51.0-9.el8_10

  • redhat•xmlrpc-c-client

    < 0:1.51.0-9.el8_10 | < 0:1.51.0-9.el8_10

  • redhat•xmlrpc-c-client++-debuginfo

    < 0:1.51.0-9.el8_10 | < 0:1.51.0-9.el8_10

  • redhat•xmlrpc-c-debuginfo

    < 0:1.51.0-9.el8_10 | < 0:1.51.0-9.el8_10

  • redhat•xmlrpc-c-debugsource

    < 0:1.51.0-9.el8_10 | < 0:1.51.0-9.el8_10

  • redhat•xmlrpc-c-devel

    < 0:1.51.0-9.el8_10

References (23)