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CVE-2026-56132

CVSS 6.9v3.1pub. 2026-06-19upd. 2026-06-23

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers.

CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

  • Libexpat Project Libexpat

    APP
    Libexpat Project
    < 2.8.2
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No clear patch data available. Check vendor references.
Tags
Memory
CWE
References

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