CVE-2021-3466

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Source

https://nvd.nist.gov/vuln/detail/CVE-2021-3466

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3466.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2021-3466

Published

2021-03-25T19:15:15Z

Modified

2024-11-21T06:21:36Z

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 flaw was found in libmicrohttpd. A missing bounds check in the postprocessurlencoded function leads to a buffer overflow, allowing a remote attacker to write arbitrary data in an application that uses libmicrohttpd. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Only version 0.9.70 is vulnerable.

References

Affected packages

Debian:11 / libmicrohttpd

Package

Name: libmicrohttpd
Purl: pkg:deb/debian/libmicrohttpd?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.9.71-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / libmicrohttpd

Package

Name: libmicrohttpd
Purl: pkg:deb/debian/libmicrohttpd?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.9.71-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:13 / libmicrohttpd

Package

Name: libmicrohttpd
Purl: pkg:deb/debian/libmicrohttpd?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.9.71-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}