Buffer overflow in X.org Libx11

CVE-2016-7942

The XGetImage function in X.org libX11 before 1.6.4 might allow remote X servers to gain privileges via vectors involving image type and geometry, which triggers out-of-bounds read operations.

EPSS: 0.032 (87.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2016-7942?
CVE-2016-7942 is a critical-severity vulnerability in X.org Libx11, classified under CWE-264. CVSS score: 9.8/10. Published 2016-12-13.
How severe is CVE-2016-7942?
Critical severity. CVSS v3 base score is 9.8 out of 10.