CVE-2018-20354

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Source

https://cve.org/CVERecord?id=CVE-2018-20354

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20354.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2018-20354

Published

2019-06-10T17:29:02.093Z

Modified

2025-11-20T10:49:25.220508Z

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 invalid read of 8 bytes due to a use-after-free vulnerability during a "return" in the mghttpgetprotodata function in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.13 and earlier allows a denial of service (application crash) or remote code execution.

References

https://github.com/insi2304/mongoose-6.13-fuzz/blob/master/Simplest_Web_Server_Use_After_Free-read-mg_http_get_proto_data.png

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

Last affected

95afa323c0e7740151f661629616daebe2915b61

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

6.12

6.13

6.2

6.3

6.4

6.5

6.6

6.7

6.8

6.9

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20354.json"