CVE-2024-10525 — Heap-based Buffer Overflow in Mosquitto

CWE-122 — Heap-based Buffer OverflowCWE-787 — Out-of-bounds Write9 documents8 sources
Severity
7.2HIGHNVD
EPSS
15.0%
top 5.42%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Eclipse MosquittoEclipse Foundation Mosquitto
Timeline
PublishedOct 30
Latest updateFeb 12

Description

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.

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N

Affected Packages4 packages

▶NVDeclipse/mosquitto1.3.2 — 2.0.19
▶Debianeclipse/mosquitto< 2.0.11-1+deb11u2+3
▶Ubuntueclipse/mosquitto< 2.0.11-1ubuntu1.2+5
▶CVEListV5eclipse_foundation/mosquitto1.3.2 — 2.0.18

Patches

Patch: github.com ↗

🔴Vulnerability Details

4
OSV
mosquitto vulnerabilities↗2025-04-16
▶
OSV
CVE-2024-10525: In Eclipse Mosquitto, from version 1↗2024-10-30
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GHSA
GHSA-cm54-mprw-5279: In Eclipse Mosquitto, from version 1↗2024-10-30
▶
CVEList
Eclipse Mosquito: Heap Buffer Overflow in my_subscribe_callback↗2024-10-30
▶

📋Vendor Advisories

3
Ubuntu
Eclipse Mosquitto vulnerabilities↗2025-04-16
▶
Red Hat
mosquitto: heap buffer overflow in my_subscribe_callback↗2024-10-30
▶
Debian
CVE-2024-10525: mosquitto - In Eclipse Mosquitto, from version 1.3.2 through 2.0.18, if a malicious broker s...↗2024
▶

📄Research Papers

1
arXiv
From CVE Entries to Verifiable Exploits: An Automated Multi-Agent Framework for Reproducing CVEs↗2026-02-12
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CVE-2024-10525 — Heap-based Buffer Overflow | cvebase