CVE-2023-0809 — Memory Allocation with Excessive Size Value in Mosquitto

CWE-789 — Memory Allocation with Excessive Size ValueCWE-770 — Allocation of Resources Without Limits or ThrottlingCWE-401 — Missing Release of Memory after Effective Lifetime10 documents8 sources
Severity
5.3MEDIUMNVD
CNA5.8OSV6.5
EPSS
0.1%
top 84.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Eclipse Mosquitto
Timeline
PublishedOct 2
Latest updateFeb 7

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 3.9 | Impact: 1.4

Affected Packages4 packages

▶CVEListV5eclipse/mosquitto< 2.0.16
▶NVDeclipse/mosquitto< 2.0.16
▶Debianeclipse/mosquitto< 2.0.11-1+deb11u1+3
▶Ubuntueclipse/mosquitto< 2.0.11-1ubuntu1.1+1

🔴Vulnerability Details

4
OSV
mosquitto vulnerabilities↗2023-11-21
▶
CVEList
CVE-2023-0809: In Mosquitto before 2↗2023-10-02
▶
GHSA
GHSA-v9xr-r3xx-x9gc: In Mosquitto before 2↗2023-10-02
▶
OSV
CVE-2023-0809: In Mosquitto before 2↗2023-10-02
▶

📋Vendor Advisories

5
Chrome
Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2024-0809↗2024-02-07
▶
Chrome
Stable Channel Update for Desktop: CVE-2024-0811↗2024-01-23
▶
Ubuntu
Mosquitto vulnerabilities↗2023-11-21
▶
Red Hat
mosquitto: memory leak leads to unresponsive broker↗2023-09-01
▶
Debian
CVE-2023-0809: mosquitto - In Mosquitto before 2.0.16, excessive memory is allocated based on malicious ini...↗2023
▶
CVE-2023-0809 — Eclipse Mosquitto vulnerability | cvebase