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CVE-2026-56412

Опубликовано: 21 июн. 2026
Источник: nvd
CVSS3: 4.9
CVSS3: 5.9
EPSS Низкий

Описание

libexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases of a policy violation. Thus, a use-after-free can occur. NOTE: this issue exists because of an incomplete fix for CVE-2026-50219.

Ссылки

Уязвимые конфигурации

Конфигурация 1
cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*
Версия до 2.8.2 (исключая)

EPSS

Процентиль: 4%
0.00138
Низкий

4.9 Medium

CVSS3

5.9 Medium

CVSS3

Дефекты

CWE-416

Связанные уязвимости

CVSS3: 4.9
ubuntu
около 1 месяца назад

libexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases of a policy violation. Thus, a use-after-free can occur. NOTE: this issue exists because of an incomplete fix for CVE-2026-50219.

CVSS3: 4.9
redhat
около 1 месяца назад

libexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases of a policy violation. Thus, a use-after-free can occur. NOTE: this issue exists because of an incomplete fix for CVE-2026-50219.

CVSS3: 4.9
msrc
около 1 месяца назад

libexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases of a policy violation. Thus, a use-after-free can occur. NOTE: this issue exists because of an incomplete fix for CVE-2026-50219.

CVSS3: 4.9
debian
около 1 месяца назад

libexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataS ...

CVSS3: 4.9
github
около 1 месяца назад

libexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases of a policy violation. Thus, a use-after-free can occur. NOTE: this issue exists because of an incomplete fix for CVE-2026-50219.

EPSS

Процентиль: 4%
0.00138
Низкий

4.9 Medium

CVSS3

5.9 Medium

CVSS3

Дефекты

CWE-416