The XListFonts function in X.org libX11 before 1.6.4 might allow remote X servers to gain privileges via vectors involving length fields, which trigger out-of-bounds write operations.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade libx11 | Sep 20, 2017 | Dec 13, 2016 |
| Debian | — | Upgrade libx11 | Mar 31, 2017 | Oct 27, 2016 |
| Gentoo Linux | — | Upgrade x11-libs/libICE.Upgrade x11-libs/libXi.Upgrade x11-libs/libXdmcp.Upgrade x11-libs/libXrandr.Upgrade x11-libs/libXv.Upgrade x11-libs/libXrender.Upgrade x11-base/xorg-server.Upgrade x11-libs/libXfixes. | Oct 30, 2017 | Dec 13, 2016 |
| Huawei Euleros 2_0_sp2 | — | — | Dec 4, 2019 | Dec 13, 2016 |
| Oracle Solaris | — | Upgrade x11/library/libx11 to version 1.6.2-0.175.3.15.0.3.1517 on Solaris 11.3Upgrade x11/library/libxv to version 1.0.10-0.175.3.15.0.3.1517 on Solaris 11.3Upgrade x11/library/libxtst to version 1.2.2-0.175.3.15.0.3.1517 on Solaris 11.3Upgrade x11/library/libxvmc to version 1.0.8-0.175.3.15.0.3.1517 on Solaris 11.3Upgrade x11/library/libxfixes to version 5.0.1-0.175.3.15.0.3.1517 on Solaris 11.3Upgrade x11/library/libxrandr to version 1.4.2-0.175.3.15.0.3.1517 on Solaris 11.3Upgrade x11/library/libxrender to version 0.9.8-0.175.3.15.0.3.1517 on Solaris 11.3 | May 29, 2017 | Dec 13, 2016 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Sep 25, 2016 |
| Ubuntu | — | Upgrade libx11-6Upgrade libx11-dev | Sep 13, 2018 | Dec 13, 2016 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub