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CVE-2018-12546 · cross-distro fix matrix

CVE-2018-12546: In Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) when a client publishes a retained message to a topic, then has its access to that topic revoked, the retained message will still be published to clients that subscribe to that topic in the future. In some applications this may result in clients

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

Fix per ecosystem

Each block below is a distro release where CVE-2018-12546 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • mosquitto→ fixed in1.5.6-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y mosquitto

Debian bookworm

Source: Debian Security Tracker

  • mosquitto→ fixed in1.5.6-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y mosquitto

Debian trixie

Source: Debian Security Tracker

  • mosquitto→ fixed in1.5.6-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y mosquitto

Alpine v3.20

Source: Alpine secdb

  • mosquitto→ fixed in1.5.6-r0
    apk update && apk add --upgrade mosquitto

Alpine v3.21

Source: Alpine secdb

  • mosquitto→ fixed in1.5.6-r0
    apk update && apk add --upgrade mosquitto

Alpine edge

Source: Alpine secdb

  • mosquitto→ fixed in1.5.6-r0
    apk update && apk add --upgrade mosquitto

Alpine v3.18

Source: Alpine secdb

  • mosquitto→ fixed in1.5.6-r0
    apk update && apk add --upgrade mosquitto

Alpine v3.19

Source: Alpine secdb

  • mosquitto→ fixed in1.5.6-r0
    apk update && apk add --upgrade mosquitto
Are YOU affected by CVE-2018-12546?

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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