Upstream information
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.SUSE information
Overall state of this security issue: Does not affect SUSE products
This issue is currently rated as having important severity.
| CVSS detail | National Vulnerability Database | 
|---|---|
| Base Score | 7.5 | 
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | 
| Attack Vector | Network | 
| Attack Complexity | Low | 
| Privileges Required | None | 
| User Interaction | None | 
| Scope | Unchanged | 
| Confidentiality Impact | None | 
| Integrity Impact | None | 
| Availability Impact | High | 
| CVSSv3 Version | 3.1 | 
| CVSS detail | CNA (Eclipse Foundation) | 
|---|---|
| Base Score | 7.2 | 
| Vector | 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 | 
| Attack Vector | Network | 
| Attack Complexity | Low | 
| Attack Requirements | None | 
| Privileges Required | Low | 
| User Interaction | None | 
| Vulnerable System Confidentiality Impact | High | 
| Vulnerable System Integrity Impact | Low | 
| Vulnerable System Availability Impact | High | 
| Subsequent System Confidentiality Impact | None | 
| Subsequent System Integrity Impact | None | 
| Subsequent System Availability Impact | None | 
| CVSSv4 Version | 4.0 | 
SUSE Timeline for this CVE
CVE page created: Fri Oct 11 20:00:28 2024CVE page last modified: Mon Oct 6 19:52:00 2025