CVE-2021-3466

2021-03-2500:00:00

CWE-120

redhat

www.cve.org

libmicrohttpd

buffer overflow

remote attacker

data confidentiality

data integrity

system availability

vulnerability

version 0.9.70

AI Score

9.7

Confidence

High

EPSS

0.004

Percentile

72.2%

JSON

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. Only version 0.9.70 is vulnerable.

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "libmicrohttpd",
    "versions": [
      {
        "version": "libmicrohttpd 0.9.70",
        "status": "affected"
      }
    ]
  }
]