CVE-2016-7949
critical
CVSS v3
9.8
CVSS v2
7.5
VIR risk
9.8
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.
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-7949
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2016-7949.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 1:0.9.10-1 |
| debian | bullseye | fixed | 1:0.9.10-1 |
| debian | forky | fixed | 1:0.9.10-1 |
| debian | sid | fixed | 1:0.9.10-1 |
| debian | trixie | fixed | 1:0.9.10-1 |
| fedora | 24 | affected | |
| fedora | 25 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| x.org | libxrender | {"endIncluding":"0.9.9"} | |
References
- http://www.openwall.com/lists/oss-security/2016/10/04/2
- http://www.openwall.com/lists/oss-security/2016/10/04/4
- http://www.securityfocus.com/bid/93366
- http://www.securitytracker.com/id/1036945
- https://cgit.freedesktop.org/xorg/lib/libXrender/commit/?id=9362c7ddd1af3b168953d0737877bc52d79c94f4
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WCKZFMZ76APAVMIRCUKKHEB4GAS7ZUP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZHUT5YOSWVMBJNWZGUQNZRBFIZKRM4A6/
- https://lists.x.org/archives/xorg-announce/2016-October/002720.html
- https://security.gentoo.org/glsa/201704-03
- https://www.suse.com/security/cve/CVE-2016-7949.html
- https://security-tracker.debian.org/tracker/CVE-2016-7949
CWEs
CWE-20 CWE-787
Verify integrity in audit chain (admin only). AS-IS.