IM
IronMonkey Threat Research

CVE-2026-25210 HIGH

Published: 2026-01-30 | Last Modified: 2026-06-02 | Status: Modified

Description

In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation.

Additional Descriptions (1)

En libexpat antes de 2.7.4, la función doContent no determina correctamente el tamaño del búfer bufSize porque no hay una comprobación de desbordamiento de entero para la reasignación del búfer de etiquetas.

CVSS Metrics

Base Score: 7.8 (HIGH)

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

Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactHIGH
Integrity ImpactHIGH
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 1.8

Impact Score: 5.9

Weaknesses

Source Type Description
[email protected] Secondary
en CWE-190

Affected Products

Vendor Product Version Update Type
libexpat_project libexpat * <built-in method update of dict object at 0x7b067df2db40> Application

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*
Notification
Message here