Description
The GLX extension in XFree86 4.0, X.Org X Window System (aka X11 or X) X11R6.7, 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) __glXDisp_Render, (2) __glXDisp_RenderLarge, (3) __glXDispSwap_VendorPrivate, (4) __glXDispSwap_VendorPrivateWithReply, (5) set_client_info, (6) __glXDispSwap_SetClientInfoARB, (7) DoSwapInterval, (8) DoGetProgramString, (9) DoGetString, (10) __glXDispSwap_RenderMode, (11) __glXDisp_GetCompressedTexImage, (12) __glXDispSwap_GetCompressedTexImage, (13) __glXDisp_FeedbackBuffer, (14) __glXDispSwap_FeedbackBuffer, (15) __glXDisp_SelectBuffer, (16) __glXDispSwap_SelectBuffer, (17) __glXDisp_Flush, (18) __glXDispSwap_Flush, (19) __glXDisp_Finish, (20) __glXDispSwap_Finish, (21) __glXDisp_ReadPixels, (22) __glXDispSwap_ReadPixels, (23) __glXDisp_GetTexImage, (24) __glXDispSwap_GetTexImage, (25) __glXDisp_GetPolygonStipple, (26) __glXDispSwap_GetPolygonStipple, (27) __glXDisp_GetSeparableFilter, (28) __glXDisp_GetSeparableFilterEXT, (29) __glXDisp_GetConvolutionFilter, (30) __glXDisp_GetConvolutionFilterEXT, (31) __glXDisp_GetHistogram, (32) __glXDisp_GetHistogramEXT, (33) __glXDisp_GetMinmax, (34) __glXDisp_GetMinmaxEXT, (35) __glXDisp_GetColorTable, (36) __glXDisp_GetColorTableSGI, (37) GetSeparableFilter, (38) GetConvolutionFilter, (39) GetHistogram, (40) GetMinmax, or (41) GetColorTable 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 | nvidia-graphics-drivers-304 +1 | 304.125-0ubuntu0.0.1 | USN-2438-1 |
| Ubuntu 14.04 LTS | nvidia-graphics-drivers-331 +1 | 331.113-0ubuntu0.0.4 | USN-2438-1 |
| 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 7
- 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-2438-1 nvidia-graphics-drivers-304, nvidia-graphics-drivers-304-updates, nvidia-graphics-drivers-331, nvidia-graphics-drivers-331-updates vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 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://nvidia.custhelp.com/app/answers/detail/a_id/3610
- http://advisories.mageia.org/MGASA-2014-0532.html
- GLSA-201504-06 vendor-advisory
- 62292 third-party-advisory
- MDVSA-2015:119 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
- 71606 vdb-entry
- 61947 third-party-advisory