CVE-2022-25313

Advisory lineage Upstream: 0 Downstream: 18
Modified
Published: 18 Feb 2022, 04:23
Last modified:30 May 2025, 19:43

Vulnerability Summary

Overall Risk (default)
medium
26/100
CVSS Score
6.5 MEDIUM
v3.1 (cve.org)
EPSS Score
0.15% LOW
0% probability +0.03%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

18 Feb 2022, 04:23
Published
Vulnerability first disclosed
30 May 2025, 19:43
Last Modified
Vulnerability information updated

Description

In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 4.3AV:N/AC:M/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.15%• Percentile: 36%

Techniques & Countermeasures

  • CWE-674•Uncontrolled Recursion

    The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.

Affected Systems

  • debian•debian_linux

    10.0 | 11.0

  • fedoraproject•fedora

    34 | 35

  • libexpat_project•libexpat

    < 2.4.5

  • oracle•http_server

    12.2.1.3.0 | 12.2.1.4.0

  • oracle•zfs_storage_appliance_kit

    8.8

  • siemens•sinema_remote_connect_server

    < 3.1

References (10)