CVE-2024-8376: 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…

PriorityP339high7.5CVSS 3.1

AVNACLPRNUINSUCNINAH

EPSS

0.75%

50.2th percentile

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

6 ranges

Vendor	Product	Version range	Fixed in
debian	mosquitto	< mosquitto 2.0.11-1.2+deb12u2 (bookworm)	mosquitto 2.0.11-1.2+deb12u2 (bookworm)
eclipse	mosquitto	< 2.0.19	2.0.19
eclipse	mosquitto	>= 0 < 2.0.11-1.2+deb12u2	2.0.11-1.2+deb12u2
eclipse	mosquitto	>= 0 < 2.0.20-1	2.0.20-1
eclipse	mosquitto	>= 0 < 2.0.20-1	2.0.20-1
eclipse_foundation	mosquitto	—	—

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvdv4.07.2HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

osv7.2HIGH

vendor_debian7.2HIGH

vendor_redhat7.2HIGH

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.