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


Severity

Recommended
high

Based on Rocky Linux security rating

    Threat Intelligence

    EPSS
    2.07% (90th percentile)

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  • Snyk ID SNYK-ROCKY8-EXPATDEBUGSOURCE-3277165
  • published 3 Feb 2023
  • disclosed 24 Jan 2022

How to fix?

Upgrade Rocky-Linux:8 expat-debugsource to version 0:2.2.5-4.el8_5.3 or higher.
This issue was patched in RLSA-2022:0951.

NVD Description

Note: Versions mentioned in the description apply only to the upstream expat-debugsource package and not the expat-debugsource package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux: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.

CVSS Scores

version 3.1
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NVD

9.8 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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SUSE

8.1 high
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Red Hat

9.8 critical