USN-5897-1 (UBUNTU-CVE-2023-21835)

Vulnerability from osv_ubuntu – Published: 2023-02-28 02:55 – Updated: 2026-04-27 14:11 – Source website
VLAI
Summary
openjdk-17, openjdk-19, openjdk-lts vulnerabilities
Details

Juraj Somorovsky, Marcel Maehren, Nurullah Erinola, and Robert Merget discovered that the DTLS implementation in the JSSE subsystem of OpenJDK did not properly restrict handshake initiation requests from clients. A remote attacker could possibly use this to cause a denial of service. (CVE-2023-21835)

Markus Loewe discovered that the Java Sound subsystem in OpenJDK did not properly validate the origin of a Soundbank. An attacker could use this to specially craft an untrusted Java application or applet that could load a Soundbank from an attacker controlled remote URL. (CVE-2023-21843)

References
To clipboard 

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          },
          {
            "binary_name": "openjdk-11-source",
            "binary_version": "11.0.18+10-0ubuntu1~22.04"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "openjdk-lts",
        "purl": "pkg:deb/ubuntu/openjdk-lts@11.0.18+10-0ubuntu1~22.04?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "11.0.18+10-0ubuntu1~22.04"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "11.0.12+7-0ubuntu3",
        "11.0.13+8-0ubuntu1",
        "11.0.14+9-0ubuntu2",
        "11.0.14.1+1-0ubuntu1",
        "11.0.15+10-0ubuntu0.22.04.1",
        "11.0.16+8-0ubuntu1~22.04",
        "11.0.17+8-1ubuntu2~22.04"
      ]
    }
  ],
  "aliases": [],
  "details": "Juraj Somorovsky, Marcel Maehren, Nurullah Erinola, and Robert Merget\ndiscovered that the DTLS implementation in the JSSE subsystem of OpenJDK\ndid not properly restrict handshake initiation requests from clients. A\nremote attacker could possibly use this to cause a denial of service.\n(CVE-2023-21835)\n\nMarkus Loewe discovered that the Java Sound subsystem in OpenJDK did not\nproperly validate the origin of a Soundbank. An attacker could use this to\nspecially craft an untrusted Java application or applet that could load a\nSoundbank from an attacker controlled remote URL. (CVE-2023-21843)\n",
  "id": "USN-5897-1",
  "modified": "2026-04-27T14:11:30Z",
  "published": "2023-02-28T02:55:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5897-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-21835"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-21843"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "openjdk-17, openjdk-19, openjdk-lts vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2023-21835",
    "UBUNTU-CVE-2023-21843"
  ]
}



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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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.