ubuntu-cve-2021-44716
Vulnerability from osv_ubuntu
Published
2022-01-01 05:15
Modified
2026-06-22 22:03
Summary
Details

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
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-go.net-dev",
            "binary_version": "1:0.0+git20160110.4fd4a9f-1ubuntu0.1~esm2"
          },
          {
            "binary_name": "golang-golang-x-net-dev",
            "binary_version": "1:0.0+git20160110.4fd4a9f-1ubuntu0.1~esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "golang-golang-x-net-dev",
        "purl": "pkg:deb/ubuntu/golang-golang-x-net-dev@1:0.0+git20160110.4fd4a9f-1ubuntu0.1~esm2?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0+git20150226.3d87fd6-3",
        "0.0+git20151007.b846920+dfsg-1",
        "1:0.0+git20150817.66f0418-1",
        "1:0.0+git20160110.4fd4a9f-1",
        "1:0.0+git20160110.4fd4a9f-1ubuntu0.1~esm1",
        "1:0.0+git20160110.4fd4a9f-1ubuntu0.1~esm2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "google-guest-agent",
            "binary_version": "20240716.00-0ubuntu1~16.04.0+esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "google-guest-agent",
        "purl": "pkg:deb/ubuntu/google-guest-agent@20240716.00-0ubuntu1~16.04.0+esm3?arch=source\u0026distro=esm-apps-legacy/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "20201217.02-0ubuntu1~16.04.0",
        "20230426.00-0ubuntu2~16.04.3",
        "20231004.02-0ubuntu1~16.04.1",
        "20231004.02-0ubuntu1~16.04.2",
        "20240716.00-0ubuntu1~16.04.0",
        "20240716.00-0ubuntu1~16.04.0+esm1",
        "20240716.00-0ubuntu1~16.04.0+esm2",
        "20240716.00-0ubuntu1~16.04.0+esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-1.8",
            "binary_version": "1.8.3-2ubuntu1.18.04.1"
          },
          {
            "binary_name": "golang-1.8-go",
            "binary_version": "1.8.3-2ubuntu1.18.04.1"
          },
          {
            "binary_name": "golang-1.8-go-shared-dev",
            "binary_version": "1.8.3-2ubuntu1.18.04.1"
          },
          {
            "binary_name": "golang-1.8-src",
            "binary_version": "1.8.3-2ubuntu1.18.04.1"
          },
          {
            "binary_name": "libgolang-1.8-std1",
            "binary_version": "1.8.3-2ubuntu1.18.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "golang-1.8",
        "purl": "pkg:deb/ubuntu/golang-1.8@1.8.3-2ubuntu1.18.04.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.8.3-2ubuntu1",
        "1.8.3-2ubuntu1.18.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-go.net-dev",
            "binary_version": "1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm3"
          },
          {
            "binary_name": "golang-golang-x-net-dev",
            "binary_version": "1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "golang-golang-x-net-dev",
        "purl": "pkg:deb/ubuntu/golang-golang-x-net-dev@1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm3?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:0.0+git20170629.c81e7f2+dfsg-1ubuntu1",
        "1:0.0+git20170629.c81e7f2+dfsg-1ubuntu2",
        "1:0.0+git20170629.c81e7f2+dfsg-2",
        "1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm1",
        "1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm2",
        "1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "google-guest-agent",
            "binary_version": "20241011.01-0ubuntu1~18.04.0+esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "google-guest-agent",
        "purl": "pkg:deb/ubuntu/google-guest-agent@20241011.01-0ubuntu1~18.04.0+esm3?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "20201217.02-0ubuntu1~18.04.0",
        "20210414.00-0ubuntu1~18.04.0",
        "20210629.00-0ubuntu1~18.04.1",
        "20220622.00-0ubuntu2~18.04.0",
        "20220622.00-0ubuntu2~18.04.1",
        "20230426.00-0ubuntu2~18.04.0",
        "20231004.02-0ubuntu1~18.04.2",
        "20231004.02-0ubuntu1~18.04.3",
        "20240716.00-0ubuntu1~18.04.0",
        "20241011.01-0ubuntu1~18.04.0",
        "20241011.01-0ubuntu1~18.04.0+esm1",
        "20241011.01-0ubuntu1~18.04.0+esm2",
        "20241011.01-0ubuntu1~18.04.0+esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "google-guest-agent",
            "binary_version": "20231004.02-0ubuntu1~20.04.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "google-guest-agent",
        "purl": "pkg:deb/ubuntu/google-guest-agent@20231004.02-0ubuntu1~20.04.3?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "20231004.02-0ubuntu1~20.04.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "20201217.02-0ubuntu1~20.04.0",
        "20210414.00-0ubuntu1~20.04.0",
        "20210629.00-0ubuntu1~20.04.0",
        "20220622.00-0ubuntu2~20.04.0",
        "20220622.00-0ubuntu2~20.04.2",
        "20230426.00-0ubuntu2~20.04.0",
        "20231004.02-0ubuntu1~20.04.1",
        "20231004.02-0ubuntu1~20.04.2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-go.net-dev",
            "binary_version": "1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm3"
          },
          {
            "binary_name": "golang-golang-x-net-dev",
            "binary_version": "1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "golang-golang-x-net-dev",
        "purl": "pkg:deb/ubuntu/golang-golang-x-net-dev@1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm3?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:0.0+git20190811.74dc4d7+dfsg-1",
        "1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm1",
        "1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm2",
        "1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-1.17",
            "binary_version": "1.17.13-3ubuntu1.3"
          },
          {
            "binary_name": "golang-1.17-go",
            "binary_version": "1.17.13-3ubuntu1.3"
          },
          {
            "binary_name": "golang-1.17-src",
            "binary_version": "1.17.13-3ubuntu1.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "golang-1.17",
        "purl": "pkg:deb/ubuntu/golang-1.17@1.17.13-3ubuntu1.3?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.17-1ubuntu2",
        "1.17.3-1ubuntu1",
        "1.17.3-1ubuntu2",
        "1.17.13-3ubuntu1",
        "1.17.13-3ubuntu1.2",
        "1.17.13-3ubuntu1.3"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "google-guest-agent",
            "binary_version": "20231004.02-0ubuntu1~22.04.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "google-guest-agent",
        "purl": "pkg:deb/ubuntu/google-guest-agent@20231004.02-0ubuntu1~22.04.3?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "20231004.02-0ubuntu1~22.04.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "20210629.00-0ubuntu1",
        "20210629.00-0ubuntu2",
        "20220104.00-0ubuntu1",
        "20220104.00-0ubuntu2",
        "20220622.00-0ubuntu2~22.04.0",
        "20220622.00-0ubuntu2~22.04.1",
        "20230426.00-0ubuntu2~22.04.0",
        "20231004.02-0ubuntu1~22.04.1",
        "20231004.02-0ubuntu1~22.04.2"
      ]
    }
  ],
  "aliases": [],
  "details": "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.",
  "id": "UBUNTU-CVE-2021-44716",
  "modified": "2026-06-22T22:03:03Z",
  "published": "2022-01-01T05:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-44716"
    },
    {
      "type": "REPORT",
      "url": "https://groups.google.com/g/golang-announce/c/hcmEScgc00k/m/ZWnOjeY4CQAJ"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/golang/go/commit/48d948963c5ce7add72af5665a871caff6c1d35a"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/golang/net/commit/491a49abca63de5e07ef554052d180a1b5fe2d70"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-44716"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-44716"
  ]
}



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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

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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.