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Integer Overflow or Wraparound Affecting expat package, versions <2.2.6-2+deb10u2

0.0
critical

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-DEBIAN10-EXPAT-2359258
  • published 24 Jan 2022
  • disclosed 24 Jan 2022
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Introduced: 24 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 Debian:10 expat to version 2.2.6-2+deb10u2 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 Debian. See How to fix? for Debian:10 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.