CVE-2026-56403

libexpat before 2.8.2 has an integer overflow in storeAtts.

CVSS v3 6.9 MEDIUM

6.9^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.4 / Impact : 5.5

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/libexpat/libexpat/pull/1232	Patch

Configurations

Configuration 1 (hide)

cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*

History

25 Oct 2026, 23:10

Type	Values Removed	Values Added
Summary		(es) libexpat antes de 2.8.2 tiene un desbordamiento de entero en storeAtts.

Information

Published : 2026-06-21 16:16

Updated : 2026-10-25 23:10

NVD link : CVE-2026-56403

Mitre link : CVE-2026-56403

CVE.ORG link : CVE-2026-56403

JSON object : View

Products Affected

libexpat_project

libexpat

CWE

CWE-190

Integer Overflow or Wraparound

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