CVE-2019-12951

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Source
https://nvd.nist.gov/vuln/detail/CVE-2019-12951
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-12951.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2019-12951
Downstream
Published
2019-06-24T23:15:12.210Z
Modified
2025-11-14T09:08:59.455005Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in Mongoose before 6.15. The parsemqtt() function in mgmqtt.c has a critical heap-based buffer overflow.

References

Affected packages

Git / github.com/cesanta/mongoose

Affected ranges

Type
GIT
Repo
https://github.com/cesanta/mongoose
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
b3e0f780c34cea88f057a62213c012aa88fe2deb
Fixed
d5beb7ba3f3767891f3d85945d7d33c1d8596e37

Affected versions

3.*

3.2
3.3
3.4
3.5
3.6
3.7
3.8

4.*

4.0
4.1

5.*

5.0
5.1
5.2
5.3
5.4
5.5
5.5_20140120
5.6

6.*

6.0
6.1
6.10
6.11
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9

Database specific

vanir_signatures

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        "id": "CVE-2019-12951-02b35968",
        "target": {
            "file": "src/mg_mqtt.c",
            "function": "parse_mqtt"
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        "signature_version": "v1",
        "digest": {
            "length": 3484.0,
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        "source": "https://github.com/cesanta/mongoose/commit/b3e0f780c34cea88f057a62213c012aa88fe2deb",
        "deprecated": false,
        "signature_type": "Function"
    },
    {
        "id": "CVE-2019-12951-a154c9ac",
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]