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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.7 MEDIUM
LOCAL
HIGH
LOW
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 24%
VendorProductVersion
x.orgxorg-server
𝑥
≤ 1.19.3
debiandebian_linux
8.0
debiandebian_linux
9.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
xorg-server
bullseye
2:1.20.11-1+deb11u13
fixed
wheezy
not-affected
bullseye (security)
2:1.20.11-1+deb11u14
fixed
bookworm
2:21.1.7-3+deb12u7
fixed
bookworm (security)
2:21.1.7-3+deb12u8
fixed
sid
2:21.1.14-1
fixed
trixie
2:21.1.14-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
xorg
zesty
not-affected
xenial
not-affected
trusty
dne
xorg-hwe-16.04
zesty
dne
xenial
not-affected
trusty
dne
xorg-server
zesty
Fixed 2:1.19.3-1ubuntu1.2
released
xenial
Fixed 2:1.18.4-0ubuntu0.6
released
trusty
Fixed 2:1.15.1-0ubuntu2.10
released
xorg-server-hwe-16.04
zesty
dne
xenial
Fixed 2:1.19.3-1ubuntu1~16.04.3
released
trusty
dne
xorg-server-lts-utopic
zesty
dne
xenial
dne
trusty
dne
xorg-server-lts-vivid
zesty
dne
xenial
dne
trusty
dne
xorg-server-lts-wily
zesty
dne
xenial
dne
trusty
dne
xorg-server-lts-xenial
zesty
dne
xenial
dne
trusty
Fixed 2:1.18.3-1ubuntu2.3~trusty3
released