CVE catalog
CVE-2018-12543
mosquitto: CVE-2018-12543
- Severity
- High · CVSS 7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 36.01% · Oct 25, 2026
In Eclipse Mosquitto versions 1.5 to 1.5.2 inclusive, if a message is published to Mosquitto that has a topic starting with $, but that is not $SYS, e.g. $test/test, then an assert is triggered that should otherwise not be reachable and Mosquitto will exit.
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 | not affected |
| Debian | mosquitto | forky | 2.1.2-3 | not affected |
| Debian | mosquitto | trixie | 2.0.21-1 | not affected |
| Debian | mosquitto | bookworm | 2.0.11-1.2+deb12u2 | not affected |
| Debian | mosquitto | bookworm-security | 2.0.11-1.2+deb12u1 | not affected |
| Alpine | mosquitto | 3.10 | 1.5.3-r0 | fixed |
| Alpine | mosquitto | 3.11 | 1.5.3-r0 | fixed |
| Alpine | mosquitto | 3.12 | 1.5.3-r0 | fixed |
| Alpine | mosquitto | 3.13 | 1.5.3-r0 | fixed |
| Alpine | mosquitto | 3.14 | 1.5.3-r0 | fixed |
| Alpine | mosquitto | 3.15 | 1.5.3-r0 | fixed |
| Alpine | mosquitto | 3.16 | 1.5.3-r0 | fixed |
| Alpine | mosquitto | 3.17 | 1.5.3-r0 | fixed |
| Alpine | mosquitto | 3.18 | 1.5.3-r0 | fixed |
| Alpine | mosquitto | 3.19 | 1.5.3-r0 | fixed |
| Alpine | mosquitto | 3.20 | 1.5.3-r0 | fixed |
| Alpine | mosquitto | 3.21 | 1.5.3-r0 | fixed |
| Alpine | mosquitto | 3.22 | 1.5.3-r0 | fixed |
| Alpine | mosquitto | 3.23 | 1.5.3-r0 | fixed |
| Alpine | mosquitto | 3.24 | 1.5.3-r0 | fixed |
| Alpine | mosquitto | 3.9 | 1.5.3-r0 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | mosquitto | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | mosquitto | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | mosquitto | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | mosquitto | source | bookworm | Not affected | unimportant | Not reported | Not reported |
| Alpine | mosquitto | apk | 3.10 | 1.5.3-r0 | Not reported | ALPINE-CVE-2018-12543 | Not reported |
| Alpine | mosquitto | apk | 3.11 | 1.5.3-r0 | Not reported | ALPINE-CVE-2018-12543 | Not reported |
| Alpine | mosquitto | apk | 3.12 | 1.5.3-r0 | Not reported | ALPINE-CVE-2018-12543 | Not reported |
| Alpine | mosquitto | apk | 3.13 | 1.5.3-r0 | Not reported | ALPINE-CVE-2018-12543 | Not reported |
| Alpine | mosquitto | apk | 3.14 | 1.5.3-r0 | Not reported | ALPINE-CVE-2018-12543 | Not reported |
| Alpine | mosquitto | apk | 3.15 | 1.5.3-r0 | Not reported | ALPINE-CVE-2018-12543 | Not reported |
| Alpine | mosquitto | apk | 3.16 | 1.5.3-r0 | Not reported | ALPINE-CVE-2018-12543 | Not reported |
| Alpine | mosquitto | apk | 3.17 | 1.5.3-r0 | Not reported | ALPINE-CVE-2018-12543 | Not reported |
| Alpine | mosquitto | apk | 3.18 | 1.5.3-r0 | Not reported | ALPINE-CVE-2018-12543 | Not reported |
| Alpine | mosquitto | apk | 3.19 | 1.5.3-r0 | Not reported | ALPINE-CVE-2018-12543 | Not reported |
| Alpine | mosquitto | apk | 3.20 | 1.5.3-r0 | Not reported | ALPINE-CVE-2018-12543 | Not reported |
| Alpine | mosquitto | apk | 3.21 | 1.5.3-r0 | Not reported | ALPINE-CVE-2018-12543 | Not reported |
| Alpine | mosquitto | apk | 3.22 | 1.5.3-r0 | Not reported | ALPINE-CVE-2018-12543 | Not reported |
| Alpine | mosquitto | apk | 3.23 | 1.5.3-r0 | Not reported | ALPINE-CVE-2018-12543 | Not reported |
| Alpine | mosquitto | apk | 3.24 | 1.5.3-r0 | Not reported | ALPINE-CVE-2018-12543 | Not reported |
| Alpine | mosquitto | apk | 3.9 | 1.5.3-r0 | Not reported | ALPINE-CVE-2018-12543 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libmosquitto1]Not affected
Source package: [mosquitto]
Details (6)
2.0.11-1.2+deb12u2· amd64 · bookwormNot affected
dsa · mosquitto · debian · bookworm
2.0.11-1.2+deb12u2· arm64 · bookwormNot affected
dsa · mosquitto · debian · bookworm
2.0.21-1~bpo12+1· amd64 · bookworm-backportsNot affected
dsa · mosquitto · debian · bookworm
2.0.21-1~bpo12+1· arm64 · bookworm-backportsNot affected
dsa · mosquitto · debian · bookworm
2.0.11-1.2+deb12u1· amd64 · bookworm-securityNot affected
dsa · mosquitto · debian · bookworm
2.0.11-1.2+deb12u1· arm64 · bookworm-securityNot affected
dsa · mosquitto · debian · bookworm
- [libmosquitto-dev]Not affected
Source package: [mosquitto]
Details (6)
2.0.11-1.2+deb12u2· amd64 · bookwormNot affected
dsa · mosquitto · debian · bookworm
2.0.11-1.2+deb12u2· arm64 · bookwormNot affected
dsa · mosquitto · debian · bookworm
2.0.21-1~bpo12+1· amd64 · bookworm-backportsNot affected
dsa · mosquitto · debian · bookworm
2.0.21-1~bpo12+1· arm64 · bookworm-backportsNot affected
dsa · mosquitto · debian · bookworm
2.0.11-1.2+deb12u1· amd64 · bookworm-securityNot affected
dsa · mosquitto · debian · bookworm
2.0.11-1.2+deb12u1· arm64 · bookworm-securityNot affected
dsa · mosquitto · debian · bookworm
- [libmosquittopp1]Not affected
Source package: [mosquitto]
Details (6)
2.0.11-1.2+deb12u2· amd64 · bookwormNot affected
dsa · mosquitto · debian · bookworm
2.0.11-1.2+deb12u2· arm64 · bookwormNot affected
dsa · mosquitto · debian · bookworm
2.0.21-1~bpo12+1· amd64 · bookworm-backportsNot affected
dsa · mosquitto · debian · bookworm
2.0.21-1~bpo12+1· arm64 · bookworm-backportsNot affected
dsa · mosquitto · debian · bookworm
2.0.11-1.2+deb12u1· amd64 · bookworm-securityNot affected
dsa · mosquitto · debian · bookworm
2.0.11-1.2+deb12u1· arm64 · bookworm-securityNot affected
dsa · mosquitto · debian · bookworm
- [libmosquittopp-dev]Not affected
Source package: [mosquitto]
Details (6)
2.0.11-1.2+deb12u2· amd64 · bookwormNot affected
dsa · mosquitto · debian · bookworm
2.0.11-1.2+deb12u2· arm64 · bookwormNot affected
dsa · mosquitto · debian · bookworm
2.0.21-1~bpo12+1· amd64 · bookworm-backportsNot affected
dsa · mosquitto · debian · bookworm
2.0.21-1~bpo12+1· arm64 · bookworm-backportsNot affected
dsa · mosquitto · debian · bookworm
2.0.11-1.2+deb12u1· amd64 · bookworm-securityNot affected
dsa · mosquitto · debian · bookworm
2.0.11-1.2+deb12u1· arm64 · bookworm-securityNot affected
dsa · mosquitto · debian · bookworm
- [mosquitto]Not affected
Details (6)
2.0.11-1.2+deb12u2· amd64 · bookwormNot affected
dsa · mosquitto · debian · bookworm
2.0.11-1.2+deb12u2· arm64 · bookwormNot affected
dsa · mosquitto · debian · bookworm
2.0.21-1~bpo12+1· amd64 · bookworm-backportsNot affected
dsa · mosquitto · debian · bookworm
2.0.21-1~bpo12+1· arm64 · bookworm-backportsNot affected
dsa · mosquitto · debian · bookworm
2.0.11-1.2+deb12u1· amd64 · bookworm-securityNot affected
dsa · mosquitto · debian · bookworm
2.0.11-1.2+deb12u1· arm64 · bookworm-securityNot affected
dsa · mosquitto · debian · bookworm
- [mosquitto-clients]Not affected
Source package: [mosquitto]
Details (6)
2.0.11-1.2+deb12u2· amd64 · bookwormNot affected
dsa · mosquitto · debian · bookworm
2.0.11-1.2+deb12u2· arm64 · bookwormNot affected
dsa · mosquitto · debian · bookworm
2.0.21-1~bpo12+1· amd64 · bookworm-backportsNot affected
dsa · mosquitto · debian · bookworm
2.0.21-1~bpo12+1· arm64 · bookworm-backportsNot affected
dsa · mosquitto · debian · bookworm
2.0.11-1.2+deb12u1· amd64 · bookworm-securityNot affected
dsa · mosquitto · debian · bookworm
2.0.11-1.2+deb12u1· arm64 · bookworm-securityNot affected
dsa · mosquitto · debian · bookworm
- [mosquitto-dev]Not affected
Source package: [mosquitto]
Details (6)
2.0.11-1.2+deb12u2· all · bookwormNot affected
dsa · mosquitto · debian · bookworm
2.0.11-1.2+deb12u2· all · bookwormNot affected
dsa · mosquitto · debian · bookworm
2.0.21-1~bpo12+1· all · bookworm-backportsNot affected
dsa · mosquitto · debian · bookworm
2.0.21-1~bpo12+1· all · bookworm-backportsNot affected
dsa · mosquitto · debian · bookworm
2.0.11-1.2+deb12u1· all · bookworm-securityNot affected
dsa · mosquitto · debian · bookworm
2.0.11-1.2+deb12u1· all · bookworm-securityNot affected
dsa · mosquitto · debian · bookworm
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2024_11057-1.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2018-12543]
- [https://security-tracker.debian.org/tracker/CVE-2018-12543]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]