CVE-2019-11779

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Source
https://cve.org/CVERecord?id=CVE-2019-11779
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-11779.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2019-11779
Downstream
Related
Published
2019-09-19T14:15:10.573Z
Modified
2026-03-14T22:30:04.959081Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In Eclipse Mosquitto 1.5.0 to 1.6.5 inclusive, if a malicious MQTT client sends a SUBSCRIBE packet containing a topic that consists of approximately 65400 or more '/' characters, i.e. the topic hierarchy separator, then a stack overflow will occur.

References

Affected packages

Git / github.com/eclipse/mosquitto

Affected ranges

Type
GIT
Repo
https://github.com/eclipse/mosquitto
Events
Introduced
5e60136449d678948520085985d7e7f91f9e601c
Fixed
f47b56583149850f69c684130170753944ea9c93
Introduced
4555ee79e513d9a6dc5c13d527c56cb2cfdd24d0
Fixed
8c9e448d5c8c79e6c8b49655c7dd4a64e5b3ca54
Database specific 
{
    "versions": [
        {
            "introduced": "1.5"
        },
        {
            "fixed": "1.5.9"
        },
        {
            "introduced": "1.6"
        },
        {
            "fixed": "1.6.6"
        }
    ]
}

Affected versions

v1.*
v1.5
v1.5.1
v1.5.2
v1.5.3
v1.5.4
v1.5.5
v1.5.7
v1.5.8
v1.6
v1.6.1
v1.6.2
v1.6.3
v1.6.4
v1.6.5

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "19.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "15.0-sp1"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "15.1"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "29"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "30"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "31"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "8.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.0"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-11779.json"