Buffer overflow in Eclipse Mosquitto
CVE-2024-10525
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.592 (99.1th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.595 · newest: 0.592 · change: -0.003
Affected products
- Eclipse Mosquitto
- Eclipse Foundation Mosquitto — versions 1.3.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gitlab.eclipse.org/security/vulnerability-reports/-/issues/190 (Exploit, Issue Tracking, Vendor Advisory)
- mosquitto.org/blog/2024/10/version-2-0-19-released/ (Release Notes)
- github.com/eclipse-mosquitto/mosquitto/commit/8ab20b4ba4204fdcdec78cb4d9f03c944… (Patch)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2024-10525?
- CVE-2024-10525 is a critical-severity vulnerability in Eclipse Mosquitto, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2024-10-30.
- How severe is CVE-2024-10525?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2024-10525 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.