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CVE-2019-15681 · cross-distro fix matrix

CVE-2019-15681: LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This

Affects 8 Linux releases across 13 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2019-15681 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • libvncserver→ fixed in0.9.12+dfsg-3urgency: low
    sudo apt-get install --only-upgrade -y libvncserver
  • tightvnc→ fixed in1:1.3.9-9.1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y tightvnc
  • vino→ fixed in3.22.0-6urgency: not yet assigned
    sudo apt-get install --only-upgrade -y vino

Debian bookworm

Source: Debian Security Tracker

  • libvncserver→ fixed in0.9.12+dfsg-3urgency: low
    sudo apt-get install --only-upgrade -y libvncserver
  • tightvnc→ fixed in1:1.3.9-9.1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y tightvnc
  • vino→ fixed in3.22.0-6urgency: not yet assigned
    sudo apt-get install --only-upgrade -y vino

Debian trixie

Source: Debian Security Tracker

  • libvncserver→ fixed in0.9.12+dfsg-3urgency: low
    sudo apt-get install --only-upgrade -y libvncserver
  • tightvnc→ fixed in1:1.3.9-9.1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y tightvnc

Alpine v3.20

Source: Alpine secdb

  • libvncserver→ fixed in0.9.12-r1
    apk update && apk add --upgrade libvncserver

Alpine v3.21

Source: Alpine secdb

  • libvncserver→ fixed in0.9.12-r1
    apk update && apk add --upgrade libvncserver

Alpine edge

Source: Alpine secdb

  • libvncserver→ fixed in0.9.12-r1
    apk update && apk add --upgrade libvncserver

Alpine v3.18

Source: Alpine secdb

  • libvncserver→ fixed in0.9.12-r1
    apk update && apk add --upgrade libvncserver

Alpine v3.19

Source: Alpine secdb

  • libvncserver→ fixed in0.9.12-r1
    apk update && apk add --upgrade libvncserver
Are YOU affected by CVE-2019-15681?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash
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