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CVE-2026-93520

Источник: debian

Описание

[XKB ChangeKeycodeRange Heap Out-of-Bounds Write]

Пакеты

ПакетСтатусВерсия исправленияРелизТип
xorg-serverfixed2:21.1.25-1package
xwaylandfixed2:24.1.14-1package

Примечания

  • Xwayland shouldn't be running as root, cf. README.Debian.security

  • https://lists.x.org/archives/xorg-announce/2026-October/003747.html

  • Fixed by: https://gitlab.freedesktop.org/xorg/xserver/-/commit/5ec0535af2bcc93381666dc110abebba8975f8ae (xorg-server-21.1.25)

Связанные уязвимости

ubuntu
20 дней назад

[XKB ChangeKeycodeRange Heap Out-of-Bounds Write]

CVSS3: 7.8
redhat
20 дней назад

A flaw was found in xorg-x11-server. In the X Keyboard Extension (XKB), key name memory is allocated with an insufficient buffer size compared to the maximum supported range. An authenticated local client can exploit this flaw by sending requests that modify the keycode range, triggering a heap-based buffer overflow. This vulnerability can lead to arbitrary code execution or cause a Denial of Service (DoS) by crashing the X server.

rocky
7 дней назад

Important: xorg-x11-server security update

oracle-oval
8 дней назад

ELSA-2026-84574: xorg-x11-server security update (IMPORTANT)

rocky
5 дней назад

Important: xorg-x11-server-Xwayland security update