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ALPINE-CVE-2026-56131

ALPINE-CVE-2026-56131

This page contains facts from public vulnerability sources. Check the original advisory before updating.

libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_ResumeParser from within handlers in cases of a policy violation. Thus, a use-after-free can occur (similar to the CVE-2026-50219 situation).

CVSS 4.9 · Medium · Fix available

Published
Updated

Stack: system

Affected products and versions

  • expat Alpine:v3.21

    Affected ranges
    • ECOSYSTEM: < 2.8.2-r0

    Update to 2.8.2-r0

  • expat Alpine:v3.22

    Affected ranges
    • ECOSYSTEM: < 2.8.2-r0

    Update to 2.8.2-r0

  • expat Alpine:v3.23

    Affected ranges
    • ECOSYSTEM: < 2.8.2-r0

    Update to 2.8.2-r0

  • expat Alpine:v3.24

    Affected ranges
    • ECOSYSTEM: < 2.8.2-r0

    Update to 2.8.2-r0

Original sources

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