Resource Exhaustion Affecting expat package, versions <0:2.2.5-11.0.1.el8_9.1


Severity

medium

    Threat Intelligence

    EPSS
    0.06% (24th percentile)

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  • Snyk ID SNYK-ORACLE8-EXPAT-6564934
  • published 5 Apr 2024
  • disclosed 4 Feb 2024

How to fix?

Upgrade Oracle:8 expat to version 0:2.2.5-11.0.1.el8_9.1 or higher.
This issue was patched in ELSA-2024-1615.

NVD Description

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

libexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in the case of a large token for which multiple buffer fills are needed.

CVSS Scores

version 3.1
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Snyk

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

7.5 high
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SUSE

5.5 medium
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Red Hat

7.5 high