CVE-2020-25756

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Source
https://cve.org/CVERecord?id=CVE-2020-25756
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-25756.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-25756
Downstream
Published
2020-09-18T05:15:13.197Z
Modified
2026-04-10T04:25:14.802048Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

A buffer overflow vulnerability exists in the mggethttp_header function in Cesanta Mongoose 6.18 due to a lack of bounds checking. A crafted HTTP header can exploit this bug. NOTE: a committer has stated "this will not happen in practice.

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
Last affected
80d74e9e341d541f71c0fa587d22cec89be32dd5
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "6.18"
        }
    ]
}

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
6.14
6.15
6.16
6.17
6.18
6.2
6.3
6.4
6.5
6.6
6.7
6.9

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-25756.json"