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CVE-2017-13721 · cross-distro fix matrix

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.

Affects 8 Linux releases across 8 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2017-13721 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • xorg-server→ fixed in2:1.19.4-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y xorg-server

Debian bookworm

Source: Debian Security Tracker

  • xorg-server→ fixed in2:1.19.4-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y xorg-server

Debian trixie

Source: Debian Security Tracker

  • xorg-server→ fixed in2:1.19.4-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y xorg-server

Alpine v3.20

Source: Alpine secdb

  • xorg-server→ fixed in1.19.5-r0
    apk update && apk add --upgrade xorg-server

Alpine v3.21

Source: Alpine secdb

  • xorg-server→ fixed in1.19.5-r0
    apk update && apk add --upgrade xorg-server

Alpine edge

Source: Alpine secdb

  • xorg-server→ fixed in1.19.5-r0
    apk update && apk add --upgrade xorg-server

Alpine v3.18

Source: Alpine secdb

  • xorg-server→ fixed in1.19.5-r0
    apk update && apk add --upgrade xorg-server

Alpine v3.19

Source: Alpine secdb

  • xorg-server→ fixed in1.19.5-r0
    apk update && apk add --upgrade xorg-server
Are YOU affected by CVE-2017-13721?

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