CVE-2021-44716 (GCVE-0-2021-44716)

Vulnerability from cvelistv5 – Published: 2022-01-01 00:00 – Updated: 2024-08-04 04:32
VLAI
Summary
net/http in Go before 1.16.12 and 1.17.x before 1.17.5 allows uncontrolled memory consumption in the header canonicalization cache via HTTP/2 requests.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-06-28T05:23:31+00:00",
      "cve": "CVE-2021-44716",
      "id": "CVE-2021-44716",
      "initial_release_date": "2021-12-09T00:00:00+00:00",
      "product_status:fixed": "891",
      "product_status:known_affected": "97",
      "product_status:known_not_affected": "806",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "golang: net/http: limit growth of header canonicalization cache",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-44716.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-06-06T06:10:47Z",
      "cve": "CVE-2021-44716",
      "id": "CVE-2021-44716",
      "initial_release_date": "2023-02-15T03:36:32Z",
      "product_status:known_not_affected": "3",
      "product_status:recommended": "349",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2021-44716",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-44716.json",
      "version": "12"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.