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openSUSE-SU-2026:21283-1

Опубликовано: 10 июл. 2026
Источник: suse-cvrf

Описание

Security update for xwayland

This update for xwayland fixes the following issues

  • CVE-2026-55999: missing bounds check in glamor_font_get can lead to a heap buffer overflow when a font loaded from a malicious PCF file is processed (bsc#1268893).
  • CVE-2026-56000: improper memory management in CommonMakeCurrent can lead to a heap use-after-free when an interaction with a malicious client creating GLX contexts happens (bsc#1268894).

Список пакетов

openSUSE Leap 16.0
xwayland-24.1.6-160000.6.1
xwayland-devel-24.1.6-160000.6.1

Ссылки

Описание

Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffer overflow via SetFont due to missing glyph boundary checks.

Затронутые продукты
openSUSE Leap 16.0:xwayland-24.1.6-160000.6.1
openSUSE Leap 16.0:xwayland-devel-24.1.6-160000.6.1
Ссылки

Описание

Local attackers with a X connection able to provide GLX commit to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a Heap Use After Free, due to CommonMakeCurrent() pointing into potentially reallocated memory.

Затронутые продукты
openSUSE Leap 16.0:xwayland-24.1.6-160000.6.1
openSUSE Leap 16.0:xwayland-devel-24.1.6-160000.6.1
Ссылки