Description
The XInput extension in X.Org X Window System (aka X11 or X) X11R4 and X.Org Server (aka xserver and xorg-server) 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) SProcXChangeDeviceControl, (2) ProcXChangeDeviceControl, (3) ProcXChangeFeedbackControl, (4) ProcXSendExtensionEvent, (5) SProcXIAllowEvents, (6) SProcXIChangeCursor, (7) ProcXIChangeHierarchy, (8) SProcXIGetClientPointer, (9) SProcXIGrabDevice, (10) SProcXIUngrabDevice, (11) ProcXIUngrabDevice, (12) SProcXIPassiveGrabDevice, (13) ProcXIPassiveGrabDevice, (14) SProcXIPassiveUngrabDevice, (15) ProcXIPassiveUngrabDevice, (16) SProcXListDeviceProperties, (17) SProcXDeleteDeviceProperty, (18) SProcXIListProperties, (19) SProcXIDeleteProperty, (20) SProcXIGetProperty, (21) SProcXIQueryDevice, (22) SProcXIQueryPointer, (23) SProcXISelectEvents, (24) SProcXISetClientPointer, (25) SProcXISetFocus, (26) SProcXIGetFocus, or (27) SProcXIWarpPointer function.
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 | — |
| Debian 7 | xorg-server | 2:1.12.4-6+deb7u5 | DSA-3095-1 |
| Debian 6.0 | xorg-server | 2:1.7.7-18+deb6u1 | DLA-120-1 |
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 |
| RHEL 5 | xorg-x11-server +7 | 1.1.1-48.107.el5_11 | RHSA-2014:1982 |
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 6
- RHSA-2014:1982 Red Hat Security Advisory: xorg-x11-server security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- 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
- DSA-3095-1 xorg-server - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-120-1 xorg-server - security update Debian Security (DSA / DLA) · Mar 9, 2026
- ELSA-2014-1983 Important: xorg-x11-server security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Dec 11, 2014
References
- DSA-3095 vendor-advisory
- http://www.x.org/wiki/Development/Security/Advisory-2014-12-09/
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- http://advisories.mageia.org/MGASA-2014-0532.html
- GLSA-201504-06 vendor-advisory
- 71599 vdb-entry
- 62292 third-party-advisory
- MDVSA-2015:119 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
- 61947 third-party-advisory
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html