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.
Timeline
ID reserved
By eclipse
- 39 days later
· 39 days later
Published
- 20 days later
· 20 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| eclipseCNA (assigner) | 4.0 | High7.2 | 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 |
| NVDNVD · Analyzed | 4.0 | High7.2 | 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/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 |
- EPSS (exploitation in 30 days)
- 0.75% · top 45% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.2.
Weakness
Affected products
Eclipse Foundation · Mosquitto
- affected 2.0.18
- unaffected 2.0.19
References (8)
- https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/216 (opens in a new tab)issue-tracking
- https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/217 (opens in a new tab)issue-tracking
- https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/218 (opens in a new tab)issue-tracking
- https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/227 (opens in a new tab)issue-tracking
- https://gitlab.eclipse.org/security/cve-assignement/-/issues/26 (opens in a new tab)vendor-advisory
- https://github.com/eclipse/mosquitto/releases/tag/v2.0.19 (opens in a new tab)patch
- https://mosquitto.org/ (opens in a new tab)product
- https://github.com/eclipse-mosquitto/mosquitto/commit/1914b3ee2a18102d0a94cbdbbfeae1afa03edd17 (opens in a new tab)patch
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2024-8376)Record last updated .