ALT-PU-2026-2887-2

Обновление пакета glib2 в ветке sisyphus

Версия2.86.4-alt1
Задание#408255
Опубликовано2026-04-14
Макс. серьёзностьMEDIUM
Серьёзность:

Закрытые проблемы (6)

BDU:2026-05065
MEDIUM4.2

Уязвимость функции g_base64_encode_close() набора библиотек GLib, позволяющая нарушителю вызвать отказ в обслуживании

Опубликовано: 2026-04-13Изменено: 2026-04-20
CVSS 3.xСРЕДНЯЯ 4.2
CVSS:3.x/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L
CVSS 2.0СРЕДНЯЯ 4.0
CVSS:2.0/AV:N/AC:H/Au:N/C:N/I:P/A:P
Ссылки
BDU:2026-05067
MEDIUM5.4

Уязвимость функции g_unichar_to_utf8() набора библиотек GLib, позволяющая нарушителю вызвать отказ в обслуживании

Опубликовано: 2026-04-13Изменено: 2026-04-20
CVSS 3.xСРЕДНЯЯ 5.4
CVSS:3.x/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
CVSS 2.0СРЕДНЯЯ 6.4
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:P/A:P
Ссылки
BDU:2026-05070
LOW2.8

Уязвимость функции parse_header() набора библиотек GLib, позволяющая нарушителю вызвать отказ в обслуживании

Опубликовано: 2026-04-13Изменено: 2026-04-20
CVSS 3.xНИЗКАЯ 2.8
CVSS:3.x/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
CVSS 2.0НИЗКАЯ 1.7
CVSS:2.0/AV:L/AC:L/Au:S/C:N/I:N/A:P
Ссылки
CVE-2026-1484
MEDIUM4.2

A flaw was found in the GLib Base64 encoding routine when processing very large input data. Due to incorrect use of integer types during length calculation, the library may miscalculate buffer boundaries. This can cause memory writes outside the allocated buffer. Applications that process untrusted or extremely large Base64 input using GLib may crash or behave unpredictably.

Опубликовано: 2026-01-27Изменено: 2026-04-15
CVSS 3.xСРЕДНЯЯ 4.2
CVSS:3.x/CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L
CVE-2026-1485
LOW2.8

A flaw was found in Glib's content type parsing logic. This buffer underflow vulnerability occurs because the length of a header line is stored in a signed integer, which can lead to integer wraparound for very large inputs. This results in pointer underflow and out-of-bounds memory access. Exploitation requires a local user to install or process a specially crafted treemagic file, which can lead to local denial of service or application instability.

Опубликовано: 2026-01-27Изменено: 2026-04-15
CVSS 3.xНИЗКАЯ 2.8
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
CVE-2026-1489
MEDIUM5.4

A flaw was found in GLib. An integer overflow vulnerability in its Unicode case conversion implementation can lead to memory corruption. By processing specially crafted and extremely large Unicode strings, an attacker could trigger an undersized memory allocation, resulting in out-of-bounds writes. This could cause applications utilizing GLib for string conversion to crash or become unstable.

Опубликовано: 2026-01-27Изменено: 2026-04-15
CVSS 3.xСРЕДНЯЯ 5.4
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L