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High severity7.8NVD Advisory· Published Feb 25, 2025· Updated Apr 6, 2026

CVE-2025-26598

CVE-2025-26598

Description

An out-of-bounds write flaw was found in X.Org and Xwayland. The function GetBarrierDevice() searches for the pointer device based on its device ID and returns the matching value, or supposedly NULL, if no match was found. However, the code will return the last element of the list if no matching device ID is found, which can lead to out-of-bounds memory access.

Affected products

6
  • Tigervnc/Tigervnc
    cpe:2.3:a:tigervnc:tigervnc:-:*:*:*:*:*:*:*
  • Xorg/Xserver
    cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*
    Range: <21.1.16
  • Xorg/Xwayland
    cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:*
    Range: <24.1.6
  • Red Hat/Enterprise Linux3 versions
    cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*+ 2 more
    • 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:*:*:*:*:*:*:*

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

18

News mentions

0

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