UnratedFix available

UBUNTU-CVE-2026-84268

Type: advisorySource: OSV1 source record

A flaw was found in the SFTP backend in gvfs. When mounting a share and reading a file, a malicious SFTP server can cause read_reply() to process a length that exceeds the size requested by the client. The function does not verify the server-provided length against the allocated buffer size, causing the operation to write past the intended boundaries. This issue allows a malicious server to corrupt adjacent heap memory in the gvfsd-sftp process, resulting in a denial of service as the process aborts upon detecting the heap corruption or potentially allowing arbitrary code execution.

Announced 1 Sept 2026Source revision 1

Original source ↗

UBUNTU-CVE-2026-84268

Primary source · Revision 1

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-2026-84268

gvfs

Source reference: /affected/0/package/name

Affected versions: 1.24.2-0ubuntu4
Source reference: /affected/0/versions
1.24.2-0ubuntu5
Source reference: /affected/0/versions
1.24.2-0ubuntu6
Source reference: /affected/0/versions
1.26.2-1ubuntu1
Source reference: /affected/0/versions
1.27.3-1ubuntu1
Source reference: /affected/0/versions
1.27.4-1ubuntu1
Source reference: /affected/0/versions
1.27.90-1ubuntu1
Source reference: /affected/0/versions
1.27.92-1ubuntu1
Source reference: /affected/0/versions
1.28.1-1ubuntu1
Source reference: /affected/0/versions
1.28.2-1ubuntu1~16.04.1
Source reference: /affected/0/versions
1.28.2-1ubuntu1~16.04.2
Source reference: /affected/0/versions
1.28.2-1ubuntu1~16.04.3
Source reference: /affected/0/versions
Fixed versions: 1.28.2-1ubuntu1~16.04.3+esm1
Source reference: /affected/0/ranges
Prerequisites: Not stated in this record

gvfs

Source reference: /affected/1/package/name

Affected versions: 1.34.1-1ubuntu1
Source reference: /affected/1/versions
1.34.1-1ubuntu3
Source reference: /affected/1/versions
1.34.1-1ubuntu4
Source reference: /affected/1/versions
1.34.1-2ubuntu2
Source reference: /affected/1/versions
1.35.91-1ubuntu1
Source reference: /affected/1/versions
1.35.91-1ubuntu2
Source reference: /affected/1/versions
1.36.0-1ubuntu1
Source reference: /affected/1/versions
1.36.1-0ubuntu1
Source reference: /affected/1/versions
1.36.1-0ubuntu1.1
Source reference: /affected/1/versions
1.36.1-0ubuntu1.2
Source reference: /affected/1/versions
1.36.1-0ubuntu1.3
Source reference: /affected/1/versions
1.36.1-0ubuntu1.3.2
Source reference: /affected/1/versions
1.36.1-0ubuntu1.3.3
Source reference: /affected/1/versions
Fixed versions: 1.36.1-0ubuntu1.3.3+esm1
Source reference: /affected/1/ranges
Prerequisites: Not stated in this record

gvfs

Source reference: /affected/2/package/name

Affected versions: 1.42.1-1ubuntu1
Source reference: /affected/2/versions
1.42.2-1ubuntu3
Source reference: /affected/2/versions
1.43.90-1ubuntu3
Source reference: /affected/2/versions
1.43.92-1ubuntu1
Source reference: /affected/2/versions
1.44.0-1ubuntu1
Source reference: /affected/2/versions
1.44.1-1ubuntu1
Source reference: /affected/2/versions
1.44.1-1ubuntu1.1
Source reference: /affected/2/versions
1.44.1-1ubuntu1.2
Source reference: /affected/2/versions
Fixed versions: 1.44.1-1ubuntu1.2+esm1
Source reference: /affected/2/ranges
Prerequisites: Not stated in this record

gvfs

Source reference: /affected/3/package/name

Affected versions: 1.47.91-1ubuntu1
Source reference: /affected/3/versions
1.48.1-2ubuntu2
Source reference: /affected/3/versions
1.48.1-2ubuntu3
Source reference: /affected/3/versions
1.48.1-2ubuntu5
Source reference: /affected/3/versions
1.48.1-3
Source reference: /affected/3/versions
1.48.1-4
Source reference: /affected/3/versions
1.48.2-0ubuntu1
Source reference: /affected/3/versions
1.48.2-0ubuntu1.1
Source reference: /affected/3/versions
Fixed versions: 1.48.2-0ubuntu1.2
Source reference: /affected/3/ranges
Prerequisites: Not stated in this record

gvfs

Source reference: /affected/4/package/name

Affected versions: 1.52.0-1
Source reference: /affected/4/versions
1.52.1-1build1
Source reference: /affected/4/versions
1.52.2-1
Source reference: /affected/4/versions
1.53.90-2
Source reference: /affected/4/versions
1.54.0-1build1
Source reference: /affected/4/versions
1.54.0-1build2
Source reference: /affected/4/versions
1.54.0-1build3
Source reference: /affected/4/versions
1.54.0-1ubuntu2
Source reference: /affected/4/versions
1.54.4-0ubuntu1~24.04.1
Source reference: /affected/4/versions
1.54.4-0ubuntu1~24.04.2
Source reference: /affected/4/versions
Fixed versions: 1.54.4-0ubuntu1~24.04.4
Source reference: /affected/4/ranges
Prerequisites: Not stated in this record

gvfs

Source reference: /affected/5/package/name

Affected versions: 1.57.2-2ubuntu5
Source reference: /affected/5/versions
1.57.2-2ubuntu6
Source reference: /affected/5/versions
1.58.0-1ubuntu1
Source reference: /affected/5/versions
1.58.0-2
Source reference: /affected/5/versions
1.59.1-1
Source reference: /affected/5/versions
1.59.90-3
Source reference: /affected/5/versions
1.60.0-1
Source reference: /affected/5/versions
Fixed versions: 1.60.0-1ubuntu0.1
Source reference: /affected/5/ranges
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"
          },
          {
            "fixed": "1.28.2-1ubuntu1~16.04.3+esm1"
          }
        ]
      }
    ],
    "package": {
      "name": "gvfs",
      "purl": "pkg:deb/ubuntu/gvfs?arch=source&distro=esm-infra-legacy%2Fxenial",
      "ecosystem": "Ubuntu:Pro:16.04:LTS"
    },
    "versions": [
      "1.24.2-0ubuntu4",
      "1.24.2-0ubuntu5",
      "1.24.2-0ubuntu6",
      "1.26.2-1ubuntu1",
      "1.27.3-1ubuntu1",
      "1.27.4-1ubuntu1",
      "1.27.90-1ubuntu1",
      "1.27.92-1ubuntu1",
      "1.28.1-1ubuntu1",
      "1.28.2-1ubuntu1~16.04.1",
      "1.28.2-1ubuntu1~16.04.2",
      "1.28.2-1ubuntu1~16.04.3"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84268.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "gvfs",
          "binary_version": "1.28.2-1ubuntu1~16.04.3+esm1"
        },
        {
          "binary_name": "gvfs-backends",
          "binary_version": "1.28.2-1ubuntu1~16.04.3+esm1"
        },
        {
          "binary_name": "gvfs-bin",
          "binary_version": "1.28.2-1ubuntu1~16.04.3+esm1"
        },
        {
          "binary_name": "gvfs-common",
          "binary_version": "1.28.2-1ubuntu1~16.04.3+esm1"
        },
        {
          "binary_name": "gvfs-daemons",
          "binary_version": "1.28.2-1ubuntu1~16.04.3+esm1"
        },
        {
          "binary_name": "gvfs-fuse",
          "binary_version": "1.28.2-1ubuntu1~16.04.3+esm1"
        },
        {
          "binary_name": "gvfs-libs",
          "binary_version": "1.28.2-1ubuntu1~16.04.3+esm1"
        }
      ],
      "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1.36.1-0ubuntu1.3.3+esm1"
          }
        ]
      }
    ],
    "package": {
      "name": "gvfs",
      "purl": "pkg:deb/ubuntu/gvfs?arch=source&distro=esm-infra%2Fbionic",
      "ecosystem": "Ubuntu:Pro:18.04:LTS"
    },
    "versions": [
      "1.34.1-1ubuntu1",
      "1.34.1-1ubuntu3",
      "1.34.1-1ubuntu4",
      "1.34.1-2ubuntu2",
      "1.35.91-1ubuntu1",
      "1.35.91-1ubuntu2",
      "1.36.0-1ubuntu1",
      "1.36.1-0ubuntu1",
      "1.36.1-0ubuntu1.1",
      "1.36.1-0ubuntu1.2",
      "1.36.1-0ubuntu1.3",
      "1.36.1-0ubuntu1.3.2",
      "1.36.1-0ubuntu1.3.3"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84268.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "gvfs",
          "binary_version": "1.36.1-0ubuntu1.3.3+esm1"
        },
        {
          "binary_name": "gvfs-backends",
          "binary_version": "1.36.1-0ubuntu1.3.3+esm1"
        },
        {
          "binary_name": "gvfs-bin",
          "binary_version": "1.36.1-0ubuntu1.3.3+esm1"
        },
        {
          "binary_name": "gvfs-common",
          "binary_version": "1.36.1-0ubuntu1.3.3+esm1"
        },
        {
          "binary_name": "gvfs-daemons",
          "binary_version": "1.36.1-0ubuntu1.3.3+esm1"
        },
        {
          "binary_name": "gvfs-fuse",
          "binary_version": "1.36.1-0ubuntu1.3.3+esm1"
        },
        {
          "binary_name": "gvfs-libs",
          "binary_version": "1.36.1-0ubuntu1.3.3+esm1"
        }
      ],
      "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1.44.1-1ubuntu1.2+esm1"
          }
        ]
      }
    ],
    "package": {
      "name": "gvfs",
      "purl": "pkg:deb/ubuntu/gvfs?arch=source&distro=esm-infra%2Ffocal",
      "ecosystem": "Ubuntu:Pro:20.04:LTS"
    },
    "versions": [
      "1.42.1-1ubuntu1",
      "1.42.2-1ubuntu3",
      "1.43.90-1ubuntu3",
      "1.43.92-1ubuntu1",
      "1.44.0-1ubuntu1",
      "1.44.1-1ubuntu1",
      "1.44.1-1ubuntu1.1",
      "1.44.1-1ubuntu1.2"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84268.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "gvfs",
          "binary_version": "1.44.1-1ubuntu1.2+esm1"
        },
        {
          "binary_name": "gvfs-backends",
          "binary_version": "1.44.1-1ubuntu1.2+esm1"
        },
        {
          "binary_name": "gvfs-bin",
          "binary_version": "1.44.1-1ubuntu1.2+esm1"
        },
        {
          "binary_name": "gvfs-common",
          "binary_version": "1.44.1-1ubuntu1.2+esm1"
        },
        {
          "binary_name": "gvfs-daemons",
          "binary_version": "1.44.1-1ubuntu1.2+esm1"
        },
        {
          "binary_name": "gvfs-fuse",
          "binary_version": "1.44.1-1ubuntu1.2+esm1"
        },
        {
          "binary_name": "gvfs-libs",
          "binary_version": "1.44.1-1ubuntu1.2+esm1"
        }
      ],
      "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1.48.2-0ubuntu1.2"
          }
        ]
      }
    ],
    "package": {
      "name": "gvfs",
      "purl": "pkg:deb/ubuntu/gvfs?arch=source&distro=jammy",
      "ecosystem": "Ubuntu:22.04:LTS"
    },
    "versions": [
      "1.47.91-1ubuntu1",
      "1.48.1-2ubuntu2",
      "1.48.1-2ubuntu3",
      "1.48.1-2ubuntu5",
      "1.48.1-3",
      "1.48.1-4",
      "1.48.2-0ubuntu1",
      "1.48.2-0ubuntu1.1"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84268.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "gvfs",
          "binary_version": "1.48.2-0ubuntu1.2"
        },
        {
          "binary_name": "gvfs-backends",
          "binary_version": "1.48.2-0ubuntu1.2"
        },
        {
          "binary_name": "gvfs-common",
          "binary_version": "1.48.2-0ubuntu1.2"
        },
        {
          "binary_name": "gvfs-daemons",
          "binary_version": "1.48.2-0ubuntu1.2"
        },
        {
          "binary_name": "gvfs-fuse",
          "binary_version": "1.48.2-0ubuntu1.2"
        },
        {
          "binary_name": "gvfs-libs",
          "binary_version": "1.48.2-0ubuntu1.2"
        }
      ],
      "availability": "No subscription required"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1.54.4-0ubuntu1~24.04.4"
          }
        ]
      }
    ],
    "package": {
      "name": "gvfs",
      "purl": "pkg:deb/ubuntu/gvfs?arch=source&distro=noble",
      "ecosystem": "Ubuntu:24.04:LTS"
    },
    "versions": [
      "1.52.0-1",
      "1.52.1-1build1",
      "1.52.2-1",
      "1.53.90-2",
      "1.54.0-1build1",
      "1.54.0-1build2",
      "1.54.0-1build3",
      "1.54.0-1ubuntu2",
      "1.54.4-0ubuntu1~24.04.1",
      "1.54.4-0ubuntu1~24.04.2"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84268.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "gvfs",
          "binary_version": "1.54.4-0ubuntu1~24.04.4"
        },
        {
          "binary_name": "gvfs-backends",
          "binary_version": "1.54.4-0ubuntu1~24.04.4"
        },
        {
          "binary_name": "gvfs-common",
          "binary_version": "1.54.4-0ubuntu1~24.04.4"
        },
        {
          "binary_name": "gvfs-daemons",
          "binary_version": "1.54.4-0ubuntu1~24.04.4"
        },
        {
          "binary_name": "gvfs-fuse",
          "binary_version": "1.54.4-0ubuntu1~24.04.4"
        },
        {
          "binary_name": "gvfs-libs",
          "binary_version": "1.54.4-0ubuntu1~24.04.4"
        }
      ],
      "availability": "No subscription required"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1.60.0-1ubuntu0.1"
          }
        ]
      }
    ],
    "package": {
      "name": "gvfs",
      "purl": "pkg:deb/ubuntu/gvfs?arch=source&distro=resolute",
      "ecosystem": "Ubuntu:26.04:LTS"
    },
    "versions": [
      "1.57.2-2ubuntu5",
      "1.57.2-2ubuntu6",
      "1.58.0-1ubuntu1",
      "1.58.0-2",
      "1.59.1-1",
      "1.59.90-3",
      "1.60.0-1"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84268.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "gvfs",
          "binary_version": "1.60.0-1ubuntu0.1"
        },
        {
          "binary_name": "gvfs-backends",
          "binary_version": "1.60.0-1ubuntu0.1"
        },
        {
          "binary_name": "gvfs-common",
          "binary_version": "1.60.0-1ubuntu0.1"
        },
        {
          "binary_name": "gvfs-daemons",
          "binary_version": "1.60.0-1ubuntu0.1"
        },
        {
          "binary_name": "gvfs-fuse",
          "binary_version": "1.60.0-1ubuntu0.1"
        },
        {
          "binary_name": "gvfs-libs",
          "binary_version": "1.60.0-1ubuntu0.1"
        }
      ],
      "availability": "No subscription required"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event: #59330 · Revision 1
Added to Heist Feed: Sun, 25 Oct 2026 18:26:53 GMT
Publisher date: Tue, 01 Sep 2026 16:17:00 GMT

Read the original announcement