Buffer overflow in X.org Libxrender

CVE-2016-7949

Multiple buffer overflows in the (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X.org libXrender before 0.9.10 allow remote X servers to trigger out-of-bounds write operations via vectors involving length fields.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.037 (88.6th 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-2016-7949?
CVE-2016-7949 is a critical-severity vulnerability in X.org Libxrender, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2016-12-13.
How severe is CVE-2016-7949?
Critical severity. CVSS v3 base score is 9.8 out of 10.