usn-6431-2
Vulnerability from osv_ubuntu
Published
2023-10-16 14:15
Modified
2026-04-27 14:11
Summary
iperf3 vulnerability
Details

USN-6431-1 fixed a vulnerability in iperf3. This update provides the corresponding update for Ubuntu 22.04 LTS and Ubuntu 23.04.

Original advisory details:

It was discovered that iperf3 did not properly manage certain inputs, which could lead to a crash. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2023-38403)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-38403",
              "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"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "iperf3",
            "binary_version": "3.9-1+deb11u1build0.22.04.1"
          },
          {
            "binary_name": "libiperf0",
            "binary_version": "3.9-1+deb11u1build0.22.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "iperf3",
        "purl": "pkg:deb/ubuntu/iperf3@3.9-1+deb11u1build0.22.04.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.9-1+deb11u1build0.22.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.9-1",
        "3.9-1build1"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-6431-1 fixed a vulnerability in iperf3. This update provides\nthe corresponding update for Ubuntu 22.04 LTS and Ubuntu 23.04.\n\nOriginal advisory details:\n\n It was discovered that iperf3 did not properly manage certain inputs, \n which could lead to a crash. A remote attacker could possibly use this\n issue to cause a denial of service. (CVE-2023-38403)\n",
  "id": "USN-6431-2",
  "modified": "2026-04-27T14:11:31Z",
  "published": "2023-10-16T14:15:08Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6431-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-38403"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "iperf3 vulnerability",
  "upstream": [
    "UBUNTU-CVE-2023-38403"
  ]
}



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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.
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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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