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ALPINE-CVE-2023-0809

ALPINE-CVE-2023-0809 PUBLISHED CVSS 5.300000190734863 MEDIUM

In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets.

Risk Scores

CVSS 3.1
5.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected Products

VendorProductVersions
Alpine:v3.23mosquitto0, 2.0.9-r1, 2.0.9-r0
Alpine:v3.21mosquitto1.6.3-r0, 2.0.9-r1, 2.0.9-r0
Alpine:v3.20mosquitto0, 1.2.2-r0, 1.2.2-r1
Alpine:v3.18mosquitto2.0.9-r1, 0, 1.2.2-r0
Alpine:v3.19mosquitto1.5.7-r0, 2.0.9-r1, 2.0.9-r0
Alpine:v3.22mosquitto1.2.2-r0, 2.0.9-r1, 2.0.9-r0

Exploit Intelligence

Timeline

  • Oct 2, 2023 CVE Published
  • Dec 3, 2025 CVE Updated
  • Apr 30, 2026 Distribution Patch
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