CVE catalog
CVE-2024-10525
Eclipse Mosquitto vulnerabilities
- Severity
- Critical · CVSS 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 59.22% · Oct 25, 2026
In Eclipse Mosquitto, from version 1.3.2 through 2.0.18, if a malicious broker sends a crafted SUBACK packet with no reason codes, a client using libmosquitto may make out of bounds memory access when acting in its on_subscribe callback. This affects the mosquitto_sub and mosquitto_rr clients.
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 | noble | 2.0.18-1ubuntu0.1~esm1 | fixed |
| Ubuntu | libmosquitto-dev | noble | 2.0.18-1ubuntu0.1~esm1 | fixed |
| Ubuntu | libmosquitto1 | noble | 2.0.18-1ubuntu0.1~esm1 | fixed |
| Ubuntu | libmosquittopp-dev | noble | 2.0.18-1ubuntu0.1~esm1 | fixed |
| Ubuntu | libmosquittopp1 | noble | 2.0.18-1ubuntu0.1~esm1 | fixed |
| Ubuntu | mosquitto-clients | noble | 2.0.18-1ubuntu0.1~esm1 | fixed |
| Ubuntu | mosquitto-dev | noble | 2.0.18-1ubuntu0.1~esm1 | fixed |
| Ubuntu | mosquitto | noble | 2.0.11-1.2+deb12u2 | fixed |
| 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 | fixed |
| 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 | fixed |
| 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 | fixed |
| 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 | fixed |
| Opensuse | mosquitto | leap 16.0 | 2.0.23-bp160.1.1 | fixed |
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 | Not reported |
| Debian | mosquitto | source | forky | 2.0.20-1 | not yet assigned | Not reported | Not reported |
| Debian | mosquitto | source | trixie | 2.0.20-1 | not yet assigned | Not reported | Not reported |
| Debian | mosquitto | source | bookworm | 2.0.11-1.2+deb12u2 | not yet assigned | Not reported | Not reported |
| Ubuntu | mosquitto | deb | noble | 2.0.18-1ubuntu0.1~esm1 | Not reported | Not reported | Not reported |
| Ubuntu | libmosquitto-dev | deb | noble | 2.0.18-1ubuntu0.1~esm1 | Not reported | Not reported | Not reported |
| Ubuntu | libmosquitto1 | deb | noble | 2.0.18-1ubuntu0.1~esm1 | Not reported | Not reported | Not reported |
| Ubuntu | libmosquittopp-dev | deb | noble | 2.0.18-1ubuntu0.1~esm1 | Not reported | Not reported | Not reported |
| Ubuntu | libmosquittopp1 | deb | noble | 2.0.18-1ubuntu0.1~esm1 | Not reported | Not reported | Not reported |
| Ubuntu | mosquitto-clients | deb | noble | 2.0.18-1ubuntu0.1~esm1 | Not reported | Not reported | Not reported |
| Ubuntu | mosquitto-dev | deb | noble | 2.0.18-1ubuntu0.1~esm1 | Not reported | Not reported | Not reported |
| Ubuntu | mosquitto | deb | noble | 2.0.11-1.2+deb12u2 | Not reported | Not reported | Not reported |
| Ubuntu | mosquitto | deb | pro | 2.0.18-1ubuntu0.1~esm1 | Not reported | USN-7441-1 | Not reported |
| Ubuntu | mosquitto | deb | 22.04 | 2.0.11-1ubuntu1.2 | Not reported | USN-7441-1 | Not reported |
| Ubuntu | mosquitto | deb | pro | 2.0.18-1ubuntu0.1~esm1 | Not reported | UBUNTU-CVE-2024-10525 | Not reported |
| Ubuntu | mosquitto | deb | 22.04 | 2.0.11-1ubuntu1.2 | Not reported | UBUNTU-CVE-2024-10525 | Not reported |
| Opensuse | mosquitto | rpm | leap 16.0 | 2.0.23-bp160.1.1 | Not reported | OPENSUSE-SU-2026:20260-1 | Not reported |
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+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.11-1.2+deb12u2· arm64 · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.21-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.21-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.11-1.2+deb12u1· amd64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.11-1.2+deb12u1· arm64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · 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+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.11-1.2+deb12u2· arm64 · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.21-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.21-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.11-1.2+deb12u1· amd64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.11-1.2+deb12u1· arm64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
- [libmosquittopp1]Affected
Source package: [mosquitto]
Details (6)
2.0.11-1.2+deb12u2· amd64 · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.11-1.2+deb12u2· arm64 · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.21-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.21-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.11-1.2+deb12u1· amd64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.11-1.2+deb12u1· arm64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · 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+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.11-1.2+deb12u2· arm64 · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.21-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.21-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.11-1.2+deb12u1· amd64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.11-1.2+deb12u1· arm64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
- [mosquitto]Affected
Details (6)
2.0.11-1.2+deb12u2· amd64 · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.11-1.2+deb12u2· arm64 · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.21-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.21-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.11-1.2+deb12u1· amd64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.11-1.2+deb12u1· arm64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · 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+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.11-1.2+deb12u2· arm64 · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.21-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.21-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.11-1.2+deb12u1· amd64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.11-1.2+deb12u1· arm64 · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · 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+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.11-1.2+deb12u2· all · bookwormFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.21-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.21-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.11-1.2+deb12u1· all · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
2.0.11-1.2+deb12u1· all · bookworm-securityAffected · Fixed:
2.0.11-1.2+deb12u2usn · mosquitto · debian · bookworm; usn · mosquitto · debian · 12
[Debian 13 (Trixie)]
- [libmosquitto1]Fixed
Source package: [mosquitto]
Details (2)
2.0.21-1· amd64 · trixieFixed · Fixed:
2.0.20-1usn · mosquitto · debian · 13
2.0.21-1· arm64 · trixieFixed · Fixed:
2.0.20-1usn · mosquitto · debian · 13
- [libmosquitto-dev]Fixed
Source package: [mosquitto]
Details (2)
2.0.21-1· amd64 · trixieFixed · Fixed:
2.0.20-1usn · mosquitto · debian · 13
2.0.21-1· arm64 · trixieFixed · Fixed:
2.0.20-1usn · mosquitto · debian · 13
- [libmosquittopp1]Fixed
Source package: [mosquitto]
Details (2)
2.0.21-1· amd64 · trixieFixed · Fixed:
2.0.20-1usn · mosquitto · debian · 13
2.0.21-1· arm64 · trixieFixed · Fixed:
2.0.20-1usn · mosquitto · debian · 13
- [libmosquittopp-dev]Fixed
Source package: [mosquitto]
Details (2)
2.0.21-1· amd64 · trixieFixed · Fixed:
2.0.20-1usn · mosquitto · debian · 13
2.0.21-1· arm64 · trixieFixed · Fixed:
2.0.20-1usn · mosquitto · debian · 13
- [mosquitto]Fixed
Details (2)
2.0.21-1· amd64 · trixieFixed · Fixed:
2.0.20-1usn · mosquitto · debian · 13
2.0.21-1· arm64 · trixieFixed · Fixed:
2.0.20-1usn · mosquitto · debian · 13
- [mosquitto-clients]Fixed
Source package: [mosquitto]
Details (2)
2.0.21-1· amd64 · trixieFixed · Fixed:
2.0.20-1usn · mosquitto · debian · 13
2.0.21-1· arm64 · trixieFixed · Fixed:
2.0.20-1usn · mosquitto · debian · 13
- [mosquitto-dev]Fixed
Source package: [mosquitto]
Details (2)
2.0.21-1· all · trixieFixed · Fixed:
2.0.20-1usn · mosquitto · debian · 13
2.0.21-1· all · trixieFixed · Fixed:
2.0.20-1usn · mosquitto · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_20260-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2024-10525]
- [https://osv.dev/vulnerability/DLA-4059-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2024-10525]
- [https://osv.dev/vulnerability/USN-7441-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:20260-1]
- [https://security-tracker.debian.org/tracker/CVE-2024-10525]
- [https://ubuntu.com/security/notices/USN-7441-1]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]