Unrated

UBUNTU-CVE-2026-91187

Type: withdrawalSource: OSV1 source record

(Improper Verification of Cryptographic Signature vulnerability in dash ...)

Announced 24 Sept 2026Group revision 1

UBUNTU-CVE-2026-91187

Primary source · Revision 1 · Withdrawn

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:UBUNTU-CVE-2026-91187

dash

Source reference: /affected/0/package/name

Affected versions: 0.5.7-3ubuntu1
Source reference: /affected/0/versions
0.5.7-4ubuntu1
Source reference: /affected/0/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

dash

Source reference: /affected/1/package/name

Affected versions: 0.5.7-4ubuntu2
Source reference: /affected/1/versions
0.5.8-2.1ubuntu2
Source reference: /affected/1/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

dash

Source reference: /affected/2/package/name

Affected versions: 0.5.8-2.3ubuntu1
Source reference: /affected/2/versions
0.5.8-2.5ubuntu1
Source reference: /affected/2/versions
0.5.8-2.9ubuntu1
Source reference: /affected/2/versions
0.5.8-2.10
Source reference: /affected/2/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

dash

Source reference: /affected/3/package/name

Affected versions: 0.5.10.2-6
Source reference: /affected/3/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

dash

Source reference: /affected/4/package/name

Affected versions: 0.5.11+git20210120+802ebd4-1build1
Source reference: /affected/4/versions
0.5.11+git20210903+057cd650a4ed-3
Source reference: /affected/4/versions
0.5.11+git20210903+057cd650a4ed-3build1
Source reference: /affected/4/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

dash

Source reference: /affected/5/package/name

Affected versions: 0.5.12-6ubuntu1
Source reference: /affected/5/versions
0.5.12-6ubuntu3
Source reference: /affected/5/versions
0.5.12-6ubuntu4
Source reference: /affected/5/versions
0.5.12-6ubuntu5
Source reference: /affected/5/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

dash

Source reference: /affected/6/package/name

Affected versions: 0.5.12-12ubuntu2
Source reference: /affected/6/versions
0.5.12-12ubuntu3
Source reference: /affected/6/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "dash",
      "purl": "pkg:deb/ubuntu/dash?arch=source&distro=trusty",
      "ecosystem": "Ubuntu:14.04:LTS"
    },
    "versions": [
      "0.5.7-3ubuntu1",
      "0.5.7-4ubuntu1"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-91187.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "ash",
          "binary_version": "0.5.7-4ubuntu1"
        },
        {
          "binary_name": "dash",
          "binary_version": "0.5.7-4ubuntu1"
        }
      ]
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "dash",
      "purl": "pkg:deb/ubuntu/dash?arch=source&distro=xenial",
      "ecosystem": "Ubuntu:16.04:LTS"
    },
    "versions": [
      "0.5.7-4ubuntu2",
      "0.5.8-2.1ubuntu2"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-91187.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "ash",
          "binary_version": "0.5.8-2.1ubuntu2"
        },
        {
          "binary_name": "dash",
          "binary_version": "0.5.8-2.1ubuntu2"
        }
      ]
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "dash",
      "purl": "pkg:deb/ubuntu/dash?arch=source&distro=bionic",
      "ecosystem": "Ubuntu:18.04:LTS"
    },
    "versions": [
      "0.5.8-2.3ubuntu1",
      "0.5.8-2.5ubuntu1",
      "0.5.8-2.9ubuntu1",
      "0.5.8-2.10"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-91187.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "ash",
          "binary_version": "0.5.8-2.10"
        },
        {
          "binary_name": "dash",
          "binary_version": "0.5.8-2.10"
        }
      ]
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "dash",
      "purl": "pkg:deb/ubuntu/dash?arch=source&distro=focal",
      "ecosystem": "Ubuntu:20.04:LTS"
    },
    "versions": [
      "0.5.10.2-6"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-91187.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "ash",
          "binary_version": "0.5.10.2-6"
        },
        {
          "binary_name": "dash",
          "binary_version": "0.5.10.2-6"
        }
      ]
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "dash",
      "purl": "pkg:deb/ubuntu/dash?arch=source&distro=jammy",
      "ecosystem": "Ubuntu:22.04:LTS"
    },
    "versions": [
      "0.5.11+git20210120+802ebd4-1build1",
      "0.5.11+git20210903+057cd650a4ed-3",
      "0.5.11+git20210903+057cd650a4ed-3build1"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-91187.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "ash",
          "binary_version": "0.5.11+git20210903+057cd650a4ed-3build1"
        },
        {
          "binary_name": "dash",
          "binary_version": "0.5.11+git20210903+057cd650a4ed-3build1"
        }
      ]
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "dash",
      "purl": "pkg:deb/ubuntu/dash?arch=source&distro=noble",
      "ecosystem": "Ubuntu:24.04:LTS"
    },
    "versions": [
      "0.5.12-6ubuntu1",
      "0.5.12-6ubuntu3",
      "0.5.12-6ubuntu4",
      "0.5.12-6ubuntu5"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-91187.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "ash",
          "binary_version": "0.5.12-6ubuntu5"
        },
        {
          "binary_name": "dash",
          "binary_version": "0.5.12-6ubuntu5"
        }
      ]
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "dash",
      "purl": "pkg:deb/ubuntu/dash?arch=source&distro=resolute",
      "ecosystem": "Ubuntu:26.04:LTS"
    },
    "versions": [
      "0.5.12-12ubuntu2",
      "0.5.12-12ubuntu3"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-91187.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "dash",
          "binary_version": "0.5.12-12ubuntu3"
        }
      ]
    }
  }
]

Publisher severity

No explicit severity was provided.

Event: #23735 · Revision 1
Added to Heist Feed: Sun, 25 Oct 2026 06:23:59 GMT
Publisher date: Thu, 24 Sep 2026 00:00:00 GMT

Read the original announcement

Revision history

25 Oct 2026UBUNTU-CVE-2026-91187 · Revision 1Withdrawn