USN-8582-1 (UBUNTU-CVE-2023-46361)

Vulnerability from osv_ubuntu – Published: 2026-07-21 17:41 – Updated: 2026-07-22 01:04 – Source website
VLAI
Summary
jbig2dec vulnerabilities
Details

Zeng Yunxiang and Song Jiaxuan discovered that jbig2dec had an out-of-bounds read vulnerability in its command-line tool. An attacker could possibly use this issue to cause jbig2dec to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. (CVE-2023-46361)

It was discovered that jbig2dec had an integer overflow in the jbig2_arith_iaid_ctx_new() function. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-38076)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-46361",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-38076",
              "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": "jbig2dec",
            "binary_version": "0.19-3ubuntu0.1"
          },
          {
            "binary_name": "libjbig2dec0",
            "binary_version": "0.19-3ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "jbig2dec",
        "purl": "pkg:deb/ubuntu/jbig2dec@0.19-3ubuntu0.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.19-3ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.19-3",
        "0.19-3build1",
        "0.19-3build2"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2026-38076",
              "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:24.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "jbig2dec",
            "binary_version": "0.20-1ubuntu0.24.04.1"
          },
          {
            "binary_name": "libjbig2dec0",
            "binary_version": "0.20-1ubuntu0.24.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "jbig2dec",
        "purl": "pkg:deb/ubuntu/jbig2dec@0.20-1ubuntu0.24.04.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.20-1ubuntu0.24.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.19-3build2",
        "0.20-1",
        "0.20-1build2",
        "0.20-1build3"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2026-38076",
              "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:26.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "jbig2dec",
            "binary_version": "0.20-1ubuntu0.26.04.1"
          },
          {
            "binary_name": "libjbig2dec0",
            "binary_version": "0.20-1ubuntu0.26.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "jbig2dec",
        "purl": "pkg:deb/ubuntu/jbig2dec@0.20-1ubuntu0.26.04.1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.20-1ubuntu0.26.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.20-1build3",
        "0.20-1build4"
      ]
    }
  ],
  "aliases": [],
  "details": "Zeng Yunxiang and Song Jiaxuan discovered that jbig2dec had an\nout-of-bounds read vulnerability in its command-line tool. An attacker\ncould possibly use this issue to cause jbig2dec to crash, resulting in a\ndenial of service. This issue only affected Ubuntu 22.04 LTS.\n(CVE-2023-46361)\n\nIt was discovered that jbig2dec had an integer overflow in the\njbig2_arith_iaid_ctx_new() function. An attacker could possibly use this\nissue to cause a denial of service. (CVE-2026-38076)",
  "id": "USN-8582-1",
  "modified": "2026-07-22T01:04:20Z",
  "published": "2026-07-21T17:41:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8582-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-46361"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-38076"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "jbig2dec vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2023-46361",
    "UBUNTU-CVE-2026-38076"
  ]
}



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