CVE-2017-13721
In X.Org Server (aka xserver and xorg-server) before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session.
| Software | From | Fixed in |
|---|---|---|
| debian / debian_linux | 8.0 | 8.0.x |
| debian / debian_linux | 9.0 | 9.0.x |
| x.org / x_server | - | 1.19.3.x |
- http://www.debian.org/security/2017/dsa-4000
- http://www.openwall.com/lists/oss-security/2017/10/04/10
- http://www.securityfocus.com/bid/101238
- https://cgit.freedesktop.org/xorg/xserver/commit/?id=b95f25af141d33a65f6f821ea9c003f66a01e1f1
- https://lists.x.org/archives/xorg-announce/2017-October/002808.html
- https://security.gentoo.org/glsa/201710-30
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