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Vulnerability · Published Oct 11, 2024 · Assigned by eclipse

CVE-2024-8376Memory leak

High 7.2

In plain English

A high-severity memory leak in Mosquitto from Eclipse Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)7.2High
Exploit odds (30 days)0.7%top 44.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In Eclipse Mosquitto up to version 2.0.18a, an attacker can achieve memory leaking, segmentation fault or heap-use-after-free by sending specific sequences of "CONNECT", "DISCONNECT", "SUBSCRIBE", "UNSUBSCRIBE" and "PUBLISH" packets.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12mosquitto2.0.11-1.2+deb12u2DEBIAN-CVE-2024-8376
Debian:13mosquitto2.0.20-1DEBIAN-CVE-2024-8376
Debian:14mosquitto2.0.20-1DEBIAN-CVE-2024-8376
Ubuntu:22.04:LTSmosquittono fix listedUBUNTU-CVE-2024-8376

Affected products (as reported)

VendorProductVersions
Eclipse Foundation Mosquitto 2.0.18

Weakness: CWE-401, CWE-416, CWE-755 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N

References