10
CVSSv2

CVE-2021-3466

Published: 25/03/2021 Updated: 25/11/2023
CVSS v2 Base Score: 10 | Impact Score: 10 | Exploitability Score: 10
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
VMScore: 890
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

Vulnerability Summary

A flaw was found in libmicrohttpd. A missing bounds check in the post_process_urlencoded function leads to a buffer overflow, allowing a remote malicious user 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.

Vulnerability Trend

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gnu libmicrohttpd 0.9.70

redhat enterprise linux 7.0

redhat enterprise linux 6.0

redhat enterprise linux 8.0

fedoraproject fedora 32

fedoraproject fedora 33

fedoraproject fedora 34

Vendor Advisories

A flaw was found in libmicrohttpd A missing bounds check in the post_process_urlencoded 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 ...