ubuntu-cve-2021-31525
Vulnerability from osv_ubuntu
Published
2021-05-27 13:15
Modified
2026-06-22 22:02
Summary
Details

net/http in Go before 1.15.12 and 1.16.x before 1.16.4 allows remote attackers to cause a denial of service (panic) via a large header to ReadRequest or ReadResponse. Server, Transport, and Client can each be affected in some configurations.

Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
low
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-1.16",
            "binary_version": "1.16.2-0ubuntu1~18.04.2+esm1"
          },
          {
            "binary_name": "golang-1.16-go",
            "binary_version": "1.16.2-0ubuntu1~18.04.2+esm1"
          },
          {
            "binary_name": "golang-1.16-src",
            "binary_version": "1.16.2-0ubuntu1~18.04.2+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "golang-1.16",
        "purl": "pkg:deb/ubuntu/golang-1.16@1.16.2-0ubuntu1~18.04.2+esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.16.2-0ubuntu1~18.04.2",
        "1.16.2-0ubuntu1~18.04.2+esm1"
      ]
    },
    {
      "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": "golang-1.16",
            "binary_version": "1.16.2-0ubuntu1~20.04.1+esm1"
          },
          {
            "binary_name": "golang-1.16-go",
            "binary_version": "1.16.2-0ubuntu1~20.04.1+esm1"
          },
          {
            "binary_name": "golang-1.16-src",
            "binary_version": "1.16.2-0ubuntu1~20.04.1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "golang-1.16",
        "purl": "pkg:deb/ubuntu/golang-1.16@1.16.2-0ubuntu1~20.04.1+esm1?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.16.2-0ubuntu1~20.04",
        "1.16.2-0ubuntu1~20.04.1",
        "1.16.2-0ubuntu1~20.04.1+esm1"
      ]
    },
    {
      "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"
      ]
    }
  ],
  "aliases": [],
  "details": "net/http in Go before 1.15.12 and 1.16.x before 1.16.4 allows remote attackers to cause a denial of service (panic) via a large header to ReadRequest or ReadResponse. Server, Transport, and Client can each be affected in some configurations.",
  "id": "UBUNTU-CVE-2021-31525",
  "modified": "2026-06-22T22:02:50Z",
  "published": "2021-05-27T13:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-31525"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-31525"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-31525"
  ]
}



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