Resource Exhaustion Affecting expat-devel package, versions <0:2.2.5-11.el8_9.1


Severity

Recommended
medium

Based on Rocky Linux security rating

    Threat Intelligence

    EPSS
    0.09% (39th percentile)

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  • Snyk ID SNYK-ROCKY8-EXPATDEVEL-6577446
  • published 6 Apr 2024
  • disclosed 4 Feb 2024

How to fix?

Upgrade Rocky-Linux:8 expat-devel to version 0:2.2.5-11.el8_9.1 or higher.
This issue was patched in RLSA-2024:1615.

NVD Description

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

7.5 high
  • 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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SUSE

5.5 medium
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Red Hat

7.5 high