CVE-2026-56407

Published June 21st, 2026

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CVSS v3

6.9

MEDIUM

CVSS v2

N/A

Affected

1

PROJECT

Description

libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen.

libexpat/libexpat

:herb: Fast streaming XML parser written in C99 with >90% test coverage; moved from SourceForge to GitHub

GitHub

1.34K