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Integer Overflow or Wraparound Affecting expat package, versions <0:2.2.5-4.el8_5.3

high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 1.42% (87th percentile)
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NVD
9.8 critical
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SUSE
8.1 high
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Red Hat
9.8 critical

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  • Snyk ID SNYK-CENTOS8-EXPAT-2360566
  • published 25 Jan 2022
  • disclosed 23 Jan 2022
Report a new vulnerability Found a mistake?

Introduced: 23 Jan 2022

CVE-2022-23852 Open this link in a new tab
CWE-190 Open this link in a new tab

How to fix?

Upgrade Centos:8 expat to version 0:2.2.5-4.el8_5.3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

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