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7.8Alta

CVE-2025-26596Xorg: xwayland: heap overflow in xkbwritekeysyms()

xserver; Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION; Red Hat Red Hat Enterprise Linux 7 Ex… Publicada: (hace 1 año)

Descripción

A heap overflow flaw was found in X.Org and Xwayland. The computation of the length in XkbSizeKeySyms() differs from what is written in XkbWriteKeySyms(), which may lead to a heap-based buffer overflow.

Debilidad (CWE): CWE-787

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

FabricanteProductoVersiones
enterprise linux 8 —
enterprise linux 9 —
redhat enterprise linux 7.0
Red Hat Red Hat Enterprise Linux 10 all versions
Red Hat Red Hat Enterprise Linux 6 —
Red Hat Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION all versions
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support all versions
Red Hat Red Hat Enterprise Linux 8 all versions
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support all versions
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support all versions
Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service all versions
Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions all versions
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support all versions
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service all versions
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions all versions
Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support all versions
Red Hat Red Hat Enterprise Linux 9 all versions
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions all versions
Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support all versions
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support all versions
rhel aus 8.2 —
rhel aus 8.4 —
rhel aus 8.6 —
rhel e4s 8.4 —
rhel e4s 8.6 —
rhel e4s 9.0 —
rhel eus 8.8 —
rhel eus 9.2 —
rhel eus 9.4 —
rhel tus 8.4 —
rhel tus 8.6 —
tigervnc tigervnc —
— xserver < 21.1.16, 22.0.0 – < 24.1.6
x.org x server < 21.1.16
x.org xwayland < 24.1.6

Referencias y parches

Coincidencias CPE (NVD) (6)
  • cpe:2.3:a:tigervnc:tigervnc:-:*:*:*:*:*:*:*
  • cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:* < 21.1.16
  • cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:* < 24.1.6
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

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