CVE catalog
CVE-2024-8376
mosquitto: CVE-2024-8376
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.75% · Oct 25, 2026
A flaw was found in Eclipse Mosquitto. A remote attacker may be able to trigger memory leakage, segmentation fault, or a heap-use-after-free condition by sending specific sequences of "CONNECT", "DISCONNECT", "SUBSCRIBE", "UNSUBSCRIBE", and "PUBLISH" packets. mosquitto: sending specific sequences of packets may trigger memory leak The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | mosquitto | sid | 2.1.2-3 | fixed |
| Debian | mosquitto | forky | 2.1.2-3 | fixed |
| Debian | mosquitto | trixie | 2.0.21-1 | fixed |
| Debian | mosquitto | bookworm | 2.0.11-1.2+deb12u2 | fixed |
| Debian | mosquitto | bookworm-security | 2.0.11-1.2+deb12u1 | vulnerable |
| Ubuntu | mosquitto | pro | 2.0.18-1 | vulnerable |
| Ubuntu | mosquitto | pro | 2.0.18-1build1 | vulnerable |
| Ubuntu | mosquitto | pro | 2.0.18-1build2 | vulnerable |
| Ubuntu | mosquitto | pro | 2.0.18-1build3 | vulnerable |
| Ubuntu | mosquitto | pro | 2.0.18-1ubuntu0.1~esm1 | vulnerable |
| Ubuntu | mosquitto | 22.04 | 2.0.11-1 | vulnerable |
| Ubuntu | mosquitto | 22.04 | 2.0.11-1build1 | vulnerable |
| Ubuntu | mosquitto | 22.04 | 2.0.11-1ubuntu1 | vulnerable |
| Ubuntu | mosquitto | 22.04 | 2.0.11-1ubuntu1.1 | vulnerable |
| Ubuntu | mosquitto | 22.04 | 2.0.11-1ubuntu1.2 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | mosquitto | source | sid | 2.0.20-1 | not yet assigned | Not reported | [1084982] |
| Debian | mosquitto | source | forky | 2.0.20-1 | not yet assigned | Not reported | [1084982] |
| Debian | mosquitto | source | trixie | 2.0.20-1 | not yet assigned | Not reported | [1084982] |
| Debian | mosquitto | source | bookworm | 2.0.11-1.2+deb12u2 | not yet assigned | Not reported | [1084982] |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libmosquitto1]Affected
Source package: [mosquitto]
Details (6)
2.0.11-1.2+deb12u2· amd64 · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.11-1.2+deb12u2· arm64 · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.21-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.21-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.11-1.2+deb12u1· amd64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.11-1.2+deb12u1· arm64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
- [libmosquitto-dev]Affected
Source package: [mosquitto]
Details (6)
2.0.11-1.2+deb12u2· amd64 · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.11-1.2+deb12u2· arm64 · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.21-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.21-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.11-1.2+deb12u1· amd64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.11-1.2+deb12u1· arm64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
- [libmosquittopp1]Affected
Source package: [mosquitto]
Details (6)
2.0.11-1.2+deb12u2· amd64 · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.11-1.2+deb12u2· arm64 · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.21-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.21-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.11-1.2+deb12u1· amd64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.11-1.2+deb12u1· arm64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
- [libmosquittopp-dev]Affected
Source package: [mosquitto]
Details (6)
2.0.11-1.2+deb12u2· amd64 · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.11-1.2+deb12u2· arm64 · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.21-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.21-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.11-1.2+deb12u1· amd64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.11-1.2+deb12u1· arm64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
- [mosquitto]Affected
Details (6)
2.0.11-1.2+deb12u2· amd64 · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.11-1.2+deb12u2· arm64 · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.21-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.21-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.11-1.2+deb12u1· amd64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.11-1.2+deb12u1· arm64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
- [mosquitto-clients]Affected
Source package: [mosquitto]
Details (6)
2.0.11-1.2+deb12u2· amd64 · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.11-1.2+deb12u2· arm64 · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.21-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.21-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.11-1.2+deb12u1· amd64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.11-1.2+deb12u1· arm64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
- [mosquitto-dev]Affected
Source package: [mosquitto]
Details (6)
2.0.11-1.2+deb12u2· all · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.11-1.2+deb12u2· all · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.21-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.21-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.11-1.2+deb12u1· all · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
2.0.11-1.2+deb12u1· all · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2dsa · mosquitto · debian · bookworm; dsa · mosquitto · debian · 12
[Debian 13 (Trixie)]
- [libmosquitto1]Fixed
Source package: [mosquitto]
Details (2)
2.0.21-1· amd64 · trixieFixed · Fixed:
2.0.20-1dsa · mosquitto · debian · 13
2.0.21-1· arm64 · trixieFixed · Fixed:
2.0.20-1dsa · mosquitto · debian · 13
- [libmosquitto-dev]Fixed
Source package: [mosquitto]
Details (2)
2.0.21-1· amd64 · trixieFixed · Fixed:
2.0.20-1dsa · mosquitto · debian · 13
2.0.21-1· arm64 · trixieFixed · Fixed:
2.0.20-1dsa · mosquitto · debian · 13
- [libmosquittopp1]Fixed
Source package: [mosquitto]
Details (2)
2.0.21-1· amd64 · trixieFixed · Fixed:
2.0.20-1dsa · mosquitto · debian · 13
2.0.21-1· arm64 · trixieFixed · Fixed:
2.0.20-1dsa · mosquitto · debian · 13
- [libmosquittopp-dev]Fixed
Source package: [mosquitto]
Details (2)
2.0.21-1· amd64 · trixieFixed · Fixed:
2.0.20-1dsa · mosquitto · debian · 13
2.0.21-1· arm64 · trixieFixed · Fixed:
2.0.20-1dsa · mosquitto · debian · 13
- [mosquitto]Fixed
Details (2)
2.0.21-1· amd64 · trixieFixed · Fixed:
2.0.20-1dsa · mosquitto · debian · 13
2.0.21-1· arm64 · trixieFixed · Fixed:
2.0.20-1dsa · mosquitto · debian · 13
- [mosquitto-clients]Fixed
Source package: [mosquitto]
Details (2)
2.0.21-1· amd64 · trixieFixed · Fixed:
2.0.20-1dsa · mosquitto · debian · 13
2.0.21-1· arm64 · trixieFixed · Fixed:
2.0.20-1dsa · mosquitto · debian · 13
- [mosquitto-dev]Fixed
Source package: [mosquitto]
Details (2)
2.0.21-1· all · trixieFixed · Fixed:
2.0.20-1dsa · mosquitto · debian · 13
2.0.21-1· all · trixieFixed · Fixed:
2.0.20-1dsa · mosquitto · debian · 13
Observed:
References
- [https://osv.dev/vulnerability/DEBIAN-CVE-2024-8376]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2024-8376]
- [https://security-tracker.debian.org/tracker/CVE-2024-8376]
- [https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-8376.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-3323.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]