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CVE-2026-56406

Опубликовано: 21 июн. 2026
Источник: redhat
CVSS3: 6.9
EPSS Низкий

Описание

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

A flaw was found in libexpat. An integer overflow vulnerability exists in the XML_ParseBuffer function due to a missing check. This flaw could allow an attacker to cause memory corruption, potentially leading to arbitrary code execution, information disclosure, or a denial of service.

Меры по смягчению последствий

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 10expatFix deferred
Red Hat Enterprise Linux 8expatFix deferred
Red Hat Enterprise Linux 8mingw-expatFix deferred
Red Hat Enterprise Linux 9expatFix deferred

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-190
https://bugzilla.redhat.com/show_bug.cgi?id=2491187libexpat: libexpat: Arbitrary code execution via integer overflow in XML_ParseBuffer

EPSS

Процентиль: 3%
0.00134
Низкий

6.9 Medium

CVSS3

Связанные уязвимости

CVSS3: 6.9
ubuntu
около 1 месяца назад

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

CVSS3: 6.9
nvd
около 1 месяца назад

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

CVSS3: 6.9
msrc
около 1 месяца назад

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

CVSS3: 6.9
debian
около 1 месяца назад

libexpat before 2.8.2 has an integer overflow in XML_ParseBuffer becau ...

CVSS3: 6.9
github
около 1 месяца назад

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

EPSS

Процентиль: 3%
0.00134
Низкий

6.9 Medium

CVSS3