CVE-2026-32327: Apache Portable Runtime Utility: apr-util XML stack recursion crash

Published Aug 6, 2026
·
Updated

A bug in APR-util version 1.6.3 (and earlier) allows a stack recursion attack against any library consumer which parses XML from untrusted sources and uses the aprxmlquoteelem() function.

Users are recommended to upgrade to version 1.6.4, which fixes this issue.

Affected Software

1 affected component
Apache APR-util<=1.6.3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Apache Portable Runtime Utility: apr-util to a version that resolves this vulnerability.

    Fixed in 1.6.4

Event History

Aug 6, 2026
CVE Published
via MITRE·02:32 PM
Data Sourced
via MITRE·02:32 PM
DescriptionWeakness
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