CVE-2024-36856
RMQTT Broker 0.4.0 allows remote attackers to cause a Denial of Service (daemon crash) via a...
RMQTT Broker 0.4.0 is vulnerable to Denial of Service (DoS) due to improper session resource management. An attacker can exhaust system memory and crash the daemon by establishing and maintaining a vast number of long-lived malicious publish/subscribe sessions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
RMQTT Broker 0.4.0 is vulnerable to Denial of Service (DoS) due to improper session resource management. An attacker can exhaust system memory and crash the daemon by establishing and maintaining a vast number of long-lived malicious publish/subscribe sessions.
- Record
CVE-2024-36856- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-404
- Updated
- 2026-11-02
EUVDEUVD-2024-36230
RMQTT Broker 0.4.0 is vulnerable to Denial of Service (DoS) due to improper session resource management. An attacker can exhaust system memory and crash the daemon by establishing and maintaining a vast number of long-lived malicious publish/subscribe sessions.
- Record
EUVD-2024-36230- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mv8j-pg39-6vw9
RMQTT Broker 0.4.0 allows remote attackers to cause a Denial of Service (daemon crash) via a...
RMQTT Broker 0.4.0 allows remote attackers to cause a Denial of Service (daemon crash) via a certain sequence of five TCP packets.
- Record
GHSA-mv8j-pg39-6vw9- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-404
- Updated
- 2026-11-02
NVD
RMQTT Broker 0.4.0 is vulnerable to Denial of Service (DoS) due to improper session resource management. An attacker can exhaust system memory and crash the daemon by establishing and maintaining a vast number of long-lived malicious publish/subscribe sessions.
- Record
CVE-2024-36856- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-404
- Updated
- 2026-11-02
OSV
RMQTT Broker 0.4.0 is vulnerable to Denial of Service (DoS) due to improper session resource management. An attacker can exhaust system memory and crash the daemon by establishing and maintaining a vast number of long-lived malicious publish/subscribe sessions.
- Record
CVE-2024-36856- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2024-36856
RMQTT Broker 0.4.0 is vulnerable to Denial of Service (DoS) due to improper session resource management. An attacker can exhaust system memory and crash the daemon by establishing and maintaining a vast number of long-lived malicious publish/subscribe sessions.
- Record
UBUNTU-CVE-2024-36856- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
brokerUbuntu:22.04:LTS |
All versions, plus listed versions 1.4.0+ds1-11.4.0+ds1-1build1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-36856 is a high vulnerability (CVSS 7.5) in Rmqtt, published June 12, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.54%, the 45th percentile. No source names a fixed version.
References
github.com/rmqtt/rmqtt/releases/tag/0.4.0
gist.github.com/pengwGit/d8410afeb0d5d11ab79f596a32178c2e
nvd.nist.gov/vuln/detail/CVE-2024-36856
ubuntu.com/security/CVE-2024-36856
cve.org/CVERecord?id=CVE-2024-36856