Integer overflow in X.org Xwayland

CVE-2025-49180

A flaw was found in the RandR extension, where the RRChangeProviderProperty function does not properly validate input. This issue leads to an integer overflow when computing the total size to allocate.

Vulnerability class: Integer Overflow

EPSS: 0.001 (34.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-49180?
CVE-2025-49180 is a high-severity vulnerability in X.org Xwayland, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2025-06-17.
How severe is CVE-2025-49180?
High severity. CVSS v3 base score is 7.8 out of 10.