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libmodplug — security advisory

Type: advisorySources: OSVAdvisory ID: UBUNTU-CVE-2026-108577

A vulnerability was determined in Konstanty Bialkowski libmodplug up to 0.8.9.1. This issue affects the function abc_add_gchord of the file src/load_abc.cpp of the component ABC Music Format Parser. This manipulation causes resource consumption. The attack may be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Products
libmodplug
Affected versions
1:0.8.8.4-4, 1:0.8.8.4-4.1, 1:0.8.8.5-2, 1:0.8.9.0-1, 1:0.8.9.0-2, 1:0.8.9.0-2build1, 1:0.8.9.0-3, 1:0.8.9.0-3build1, 1:0.8.9.0-3build2
Fixed versions
Not specified
CVEs
CVE-2026-108577
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 02:54 UTC · Revision 1

Source evidence

UBUNTU-CVE-2026-108577

core-osv · Original source

Published 11 Oct 2026, 13:17 UTC

A vulnerability was determined in Konstanty Bialkowski libmodplug up to 0.8.9.1. This issue affects the function abc_add_gchord of the file src/load_abc.cpp of the component ABC Music Format Parser. This manipulation causes resource consumption. The attack may be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.

osv:UBUNTU-CVE-2026-108577

libmodplug

Fixed versions: Not specified

libmodplug

Fixed versions: Not specified

libmodplug

Fixed versions: Not specified

libmodplug

Fixed versions: Not specified

libmodplug

Fixed versions: Not specified

libmodplug

Fixed versions: Not specified

libmodplug

Fixed versions: Not specified

libmodplug

Fixed versions: Not specified

Complete source record
{
  "id": "09c1e99f1a9a4b4e60121448ce640fc0aee23d6479e717c36bf714e5259d29da",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-108577",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2026-108577",
    "summary": "A vulnerability was determined in Konstanty Bialkowski libmodplug up to 0.8.9.1. This issue affects the function abc_add_gchord of the file src/load_abc.cpp of the component ABC Music Format Parser. This manipulation causes resource consumption. The attack may be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.",
    "evidence": "osv:UBUNTU-CVE-2026-108577",
    "products": [
      {
        "name": {
          "value": "libmodplug",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:0.8.8.4-4",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1:0.8.8.4-4.1",
            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
          "value": "libmodplug",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:0.8.8.5-2",
            "evidence": "/affected/1/versions"
          }
        ]
      },
      {
        "name": {
          "value": "libmodplug",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:0.8.9.0-1",
            "evidence": "/affected/2/versions"
          }
        ]
      },
      {
        "name": {
          "value": "libmodplug",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:0.8.9.0-2",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "1:0.8.9.0-2build1",
            "evidence": "/affected/3/versions"
          }
        ]
      },
      {
        "name": {
          "value": "libmodplug",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:0.8.9.0-3",
            "evidence": "/affected/4/versions"
          }
        ]
      },
      {
        "name": {
          "value": "libmodplug",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:0.8.9.0-3",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "1:0.8.9.0-3build1",
            "evidence": "/affected/5/versions"
          }
        ]
      },
      {
        "name": {
          "value": "libmodplug",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:0.8.9.0-3build2",
            "evidence": "/affected/6/versions"
          }
        ]
      },
      {
        "name": {
          "value": "libmodplug",
          "evidence": "/affected/7/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:0.8.9.0-3build1",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "1:0.8.9.0-3build2",
            "evidence": "/affected/7/versions"
          }
        ]
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "UBUNTU-CVE-2026-108577",
      "aliases": [
        "UBUNTU-CVE-2026-108577"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C"
        },
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"
        },
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P"
        },
        {
          "type": "Ubuntu",
          "score": "medium"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "libmodplug",
            "purl": "pkg:deb/ubuntu/libmodplug?arch=source&distro=trusty",
            "ecosystem": "Ubuntu:14.04:LTS"
          },
          "versions": [
            "1:0.8.8.4-4",
            "1:0.8.8.4-4.1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108577.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "libmodplug1",
                "binary_version": "1:0.8.8.4-4.1"
              }
            ],
            "priority_reason": "Remotely triggerable resource consumption via malformed ABC files in libmodplug."
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "libmodplug",
            "purl": "pkg:deb/ubuntu/libmodplug?arch=source&distro=xenial",
            "ecosystem": "Ubuntu:16.04:LTS"
          },
          "versions": [
            "1:0.8.8.5-2"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108577.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "libmodplug1",
                "binary_version": "1:0.8.8.5-2"
              }
            ],
            "priority_reason": "Remotely triggerable resource consumption via malformed ABC files in libmodplug."
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "libmodplug",
            "purl": "pkg:deb/ubuntu/libmodplug?arch=source&distro=bionic",
            "ecosystem": "Ubuntu:18.04:LTS"
          },
          "versions": [
            "1:0.8.9.0-1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108577.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "libmodplug1",
                "binary_version": "1:0.8.9.0-1"
              }
            ],
            "priority_reason": "Remotely triggerable resource consumption via malformed ABC files in libmodplug."
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "libmodplug",
            "purl": "pkg:deb/ubuntu/libmodplug?arch=source&distro=focal",
            "ecosystem": "Ubuntu:20.04:LTS"
          },
          "versions": [
            "1:0.8.9.0-2",
            "1:0.8.9.0-2build1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108577.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "libmodplug1",
                "binary_version": "1:0.8.9.0-2build1"
              }
            ],
            "priority_reason": "Remotely triggerable resource consumption via malformed ABC files in libmodplug."
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "libmodplug",
            "purl": "pkg:deb/ubuntu/libmodplug?arch=source&distro=jammy",
            "ecosystem": "Ubuntu:22.04:LTS"
          },
          "versions": [
            "1:0.8.9.0-3"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108577.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "libmodplug1",
                "binary_version": "1:0.8.9.0-3"
              }
            ],
            "priority_reason": "Remotely triggerable resource consumption via malformed ABC files in libmodplug."
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "libmodplug",
            "purl": "pkg:deb/ubuntu/libmodplug?arch=source&distro=noble",
            "ecosystem": "Ubuntu:24.04:LTS"
          },
          "versions": [
            "1:0.8.9.0-3",
            "1:0.8.9.0-3build1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108577.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "libmodplug1",
                "binary_version": "1:0.8.9.0-3build1"
              }
            ],
            "priority_reason": "Remotely triggerable resource consumption via malformed ABC files in libmodplug."
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "libmodplug",
            "purl": "pkg:deb/ubuntu/libmodplug?arch=source&distro=stonking",
            "ecosystem": "Ubuntu:26.10"
          },
          "versions": [
            "1:0.8.9.0-3build2"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108577.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "libmodplug1",
                "binary_version": "1:0.8.9.0-3build2"
              }
            ],
            "priority_reason": "Remotely triggerable resource consumption via malformed ABC files in libmodplug."
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "libmodplug",
            "purl": "pkg:deb/ubuntu/libmodplug?arch=source&distro=resolute",
            "ecosystem": "Ubuntu:26.04:LTS"
          },
          "versions": [
            "1:0.8.9.0-3build1",
            "1:0.8.9.0-3build2"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-108577.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "libmodplug1",
                "binary_version": "1:0.8.9.0-3build2"
              }
            ],
            "priority_reason": "Remotely triggerable resource consumption via malformed ABC files in libmodplug."
          }
        }
      ],
      "modified": "2026-10-17T12:59:48.751382972Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-108577"
      ],
      "references": [
        "https://ubuntu.com/security/CVE-2026-108577",
        "https://www.cve.org/CVERecord?id=CVE-2026-108577"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-108577",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 359798,
  "published_at": "2026-10-11T13:17:00+00:00"
}