CVE-2025-26595

Description

A buffer overflow flaw was found in X.Org and Xwayland. The code in XkbVModMaskText() allocates a fixed-sized buffer on the stack and copies the names of the virtual modifiers to that buffer. The code fails to check the bounds of the buffer and would copy the data regardless of the size.

References

• Advisories
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Details

Source: Mitre, NVD

Named Vulnerability: XkbVModMaskText Stack-based Buffer Overflow

Risk Information

CVSS v2

CVSS v3

EPSS