CVE-2026-56406

MediumCVSS 6.9/10Last modified Jun 23, 2026

Description

libexpat before 2.8.2 has an integer overflow in XML_ParseBuffer because it lacked a check that was present in XML_Parse.

Metrics

CVSS 3.1 6.9/10CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

Weakness enumeration

CWE-190

Affected software

No affected versions have been published.

Timeline

Published
Jun 21, 2026
Last modified
Jun 23, 2026
NVD status
Analyzed

Related CVEs from 2026

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CVE-2026-56406: Medium severity, CVSS 6.9 | Vulnix