Description
X.Org Server (aka xserver and xorg-server) 1.15.0 through 1.16.x before 1.16.3 allows remote authenticated users to cause a denial of service (out-of-bounds read or write) or possibly execute arbitrary code via a crafted length or index value to the (1) sproc_dri3_query_version, (2) sproc_dri3_open, (3) sproc_dri3_pixmap_from_buffer, (4) sproc_dri3_buffer_from_pixmap, (5) sproc_dri3_fence_from_fd, (6) sproc_dri3_fd_from_fence, (7) proc_present_query_capabilities, (8) sproc_present_query_version, (9) sproc_present_pixmap, (10) sproc_present_notify_msc, (11) sproc_present_select_input, or (12) sproc_present_query_capabilities function in the (a) DRI3 or (b) Present extension.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | xorg-server | 2:1.16.2.901-1 | — |
| Debian 13 | xorg-server | 2:1.16.2.901-1 | — |
| Debian 12 | xorg-server | 2:1.16.2.901-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | xorg-server | 2:1.15.1-0ubuntu2.4 | USN-2436-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | xorg-x11-server +8 | 1.15.0-7.el7_0.3 | RHSA-2014:1983 |
| RHEL 6 | xorg-x11-server +8 | 1.15.0-25.el6_6 | RHSA-2014:1983 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | xorg-x11-server-Xdmx +7 | 1.15.0-25.el6_6 | ELSA-2014-1983 |
Advisories 3
- RHSA-2014:1983 Red Hat Security Advisory: xorg-x11-server security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- USN-2436-1 xorg-server, xorg-server-lts-trusty vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- ELSA-2014-1983 Important: xorg-x11-server security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Dec 11, 2014
References
- http://www.x.org/wiki/Development/Security/Advisory-2014-12-09/
- GLSA-201504-06 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
- 61947 third-party-advisory