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CVE-2023-28366 · cross-distro fix matrix

CVE-2023-28366: The broker in Eclipse Mosquitto 1.3.2 through 2.x before 2.0.16 has a memory leak that can be abused remotely when a client sends many QoS 2 messages with duplicate message IDs, and fails to respond to PUBREC commands. This occurs because of mishandling of EAGAIN from the libc send function.

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

Fix per ecosystem

Each block below is a distro release where CVE-2023-28366 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • mosquitto→ fixed in2.0.11-1+deb11u1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y mosquitto

Debian bookworm

Source: Debian Security Tracker

  • mosquitto→ fixed in2.0.11-1.2+deb12u1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y mosquitto

Debian trixie

Source: Debian Security Tracker

  • mosquitto→ fixed in2.0.17-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y mosquitto

Alpine v3.20

Source: Alpine secdb

  • mosquitto→ fixed in2.0.16-r0
    apk update && apk add --upgrade mosquitto

Alpine v3.21

Source: Alpine secdb

  • mosquitto→ fixed in2.0.16-r0
    apk update && apk add --upgrade mosquitto

Alpine edge

Source: Alpine secdb

  • mosquitto→ fixed in2.0.16-r0
    apk update && apk add --upgrade mosquitto

Alpine v3.18

Source: Alpine secdb

  • mosquitto→ fixed in2.0.16-r0
    apk update && apk add --upgrade mosquitto

Alpine v3.19

Source: Alpine secdb

  • mosquitto→ fixed in2.0.16-r0
    apk update && apk add --upgrade mosquitto
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