Все бюллетени/c10f2/ALT-PU-2026-10613-2
ALT-PU-2026-10613-2

Обновление пакета libXfont2 в ветке c10f2

Версия2.0.4-alt2
Задание#424557
Опубликовано2026-07-09
Макс. серьёзностьHIGH
Серьёзность:

Закрытые проблемы (3)

CVE-2026-56001
HIGH8.5

A heap buffer overflow in BitmapScaleBitmaps in libXfont2 before 2.0.8 due to an overflowing 32bit size could be used by attackers able to access the X Server to execute code within the X server cont

Опубликовано: 2026-07-08Изменено: 2026-07-09
CVSS 3.xВЫСОКАЯ 8.5
CVSS:3.x/CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Ссылки
CVE-2026-56002
HIGH8.5

A heap bufferflow in pcfReadFont() due to missing glyph bounds checking in libXfont2 before 2.0.8  allows attackers authenticated as X client to execute code within the X server.

Опубликовано: 2026-07-08Изменено: 2026-07-09
CVSS 3.xВЫСОКАЯ 8.5
CVSS:3.x/CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Ссылки
CVE-2026-56003
HIGH8.5

A heap buffer overflow due to missing size checking in the property buffer when parsing PCF files in libXfont2 ComputeScaledProperties() before libXfont2 before 2.0.8 could be used by attackers using authenticated X clients to execute code within the X server.

Опубликовано: 2026-07-08Изменено: 2026-07-09
CVSS 3.xВЫСОКАЯ 8.5
CVSS:3.x/CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Ссылки