Описание
In libxml2 before 2.13.8 and 2.14.x before 2.14.2, out-of-bounds memory access can occur in the Python API (Python bindings) because of an incorrect return value. This occurs in xmlPythonFileRead and xmlPythonFileReadRaw because of a difference between bytes and characters.
A flaw was found in libxml2. This vulnerability allows out-of-bounds memory access due to incorrect handling of return values in xmlPythonFileRead and xmlPythonFileReadRaw. This is caused by a mismatch between the length of the file in bytes vs the length in characters, as unicode characters can occupy up to 4 bytes per character.
Отчет
This bug affects parsing of text streams using:
- the Python bindings (pending deprecation: https://gitlab.gnome.org/GNOME/libxml2/-/issues/891)
- the libxml2 SAX driver drv_libxml2,
- the XML Reader API Parsing of binary streams is not affected by this vulnerability.
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
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 10 | libxml2 | Affected | ||
| Red Hat Enterprise Linux 6 | libxml2 | Affected | ||
| Red Hat Enterprise Linux 7 | libxml2 | Affected | ||
| Red Hat Enterprise Linux 9 | libxml2 | Affected | ||
| Red Hat JBoss Core Services | libxml2 | Affected | ||
| Red Hat OpenShift Container Platform 4 | rhcos | Affected | ||
| Red Hat Enterprise Linux 8 | libxml2 | Fixed | RHSA-2025:8958 | 11.06.2025 |
| Red Hat Enterprise Linux 8 | libxml2 | Fixed | RHSA-2025:8958 | 11.06.2025 |
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Дополнительная информация
Статус:
EPSS
5.6 Medium
CVSS3
Связанные уязвимости
In libxml2 before 2.13.8 and 2.14.x before 2.14.2, out-of-bounds memory access can occur in the Python API (Python bindings) because of an incorrect return value. This occurs in xmlPythonFileRead and xmlPythonFileReadRaw because of a difference between bytes and characters.
In libxml2 before 2.13.8 and 2.14.x before 2.14.2, out-of-bounds memory access can occur in the Python API (Python bindings) because of an incorrect return value. This occurs in xmlPythonFileRead and xmlPythonFileReadRaw because of a difference between bytes and characters.
In libxml2 before 2.13.8 and 2.14.x before 2.14.2, out-of-bounds memor ...
EPSS
5.6 Medium
CVSS3