CVE-2022-23852

Aliases:DEBIAN-CVE-2022-23852ALPINE-CVE-2022-23852
Advisory lineage Upstream: 0 Downstream: 17
Modified
Published: 24 Jan 2022, 01:06
Last modified:05 May 2025, 16:25

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
v3.1 (cve.org)
EPSS Score
4.56% LOW
5% probability +2.86%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

24 Jan 2022, 01:06
Published
Vulnerability first disclosed
05 May 2025, 16:25
Last Modified
Vulnerability information updated

Description

Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.

CVSS Metrics

  • v3.1•CRITICAL•Score: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • v2.0•HIGH•Score: 7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 4.56%• Percentile: 91%

Techniques & Countermeasures

  • CWE-190•Integer Overflow or Wraparound

    The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.

Affected Systems

  • alpine•expat

    < 2.2.10-r1 | < 2.2.10-r3 | < 2.4.4-r0 | < 2.4.4-r0 | < 2.4.4-r0 | < 2.4.4-r0 | < 2.4.4-r0 | < 2.4.4-r0 | < 2.4.4-r0 | < 2.4.4-r0 | < 2.4.4-r0 | < 2.4.4-r0 | < 2.4.4-r0

  • debian•expat

    < 2.2.10-2+deb11u1 | < 2.4.3-2 | < 2.4.3-2 | < 2.4.3-2

  • debian•libxmltok

    all | all

  • debian•debian_linux

    9.0

  • libexpat_project•libexpat

    < 2.4.4

  • netapp•clustered_data_ontap

    na

  • netapp•oncommand_workflow_automation

    na

  • oracle•communications_metasolv_solution

    6.3.1

  • siemens•sinema_remote_connect_server

    < 3.1

  • tenable•nessus

    < 8.15.3 | ≥ 10.0.0, < 10.1.1

References (10)