Narendra Shinde discovered that incorrect command-line parameter validation in the Xorg X server may result in arbitary file overwrite, which can result in privilege escalation. For the stable distribution (stretch), this problem has been fixed in version 2:1.19.2-1+deb9u4. We recommend that you upgrade your xorg-server packages. For the detailed security status of xorg-server please refer to its security tracker page at: https://security-tracker.debian.org/tracker/xorg-server
Narendra Shinde discovered that incorrect command-line parameter validation in the Xorg X server may result in arbitary file overwrite, which can result in privilege escalation.
For the stable distribution (stretch), this problem has been fixed in version 2:1.19.2-1+deb9u4.
We recommend that you upgrade your xorg-server packages.
For the detailed security status of xorg-server please refer to its security tracker page at: https://security-tracker.debian.org/tracker/xorg-server