CVE-2016-7949
libXrender: Insufficient validation of server responses results in overflow of previously reserved memory
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · September 25, 2016
Updated · November 21, 2025
Description
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 5CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS 2.0 · 5.4AV:A/AC:M/Au:N/C:P/I:P/A:P
CWE not specified