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netcdf, netcdf-parallel — security advisory

Type: advisorySources: OSVAdvisory ID: UBUNTU-CVE-2025-14933

NSF Unidata NetCDF-C NC Variable Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of NSF Unidata NetCDF-C. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of NC variables. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-27266.

Products
netcdf, netcdf-parallel
Affected versions
1:4.1.3-6build1, 1:4.1.3-7, 1:4.1.3-7ubuntu2, 1:4.10.0-1, 1:4.10.1-1, 1:4.10.1-1build1, 1:4.10.1-2, 1:4.10.1-2build1, 1:4.4.0-1, 1:4.4.0-2, 1:4.4.0~rc2-1build1, 1:4.4.0~rc3-1, 1:4.4.1.1-2ubuntu1, 1:4.5.0-1, 1:4.5.0-2, 1:4.6.0-2, 1:4.6.0-2build1, 1:4.6.2-1, 1:4.6.2-1build1, 1:4.7.3-1, 1:4.7.4-1, 1:4.7.4-1build1, 1:4.8.1-1, 1:4.8.1-2, 1:4.9.0-1ubuntu1, 1:4.9.0-1ubuntu3, 1:4.9.0-1ubuntu4, 1:4.9.0-6build1, 1:4.9.2-2ubuntu1, 1:4.9.2-3ubuntu1, 1:4.9.2-5ubuntu3, 1:4.9.2-5ubuntu4, 1:4.9.3-1, 1:4.9.3-1build1, 1:4.9.3-1build2, 1:4.9.3-2, 1:4.9.3-2build1, 1:4.9.3-2build2
Fixed versions
Not specified
CVEs
CVE-2025-14933
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 01:31 UTC · Revision 1

Source evidence

UBUNTU-CVE-2025-14933

core-osv · Original source

Published 23 Dec 2025, 21:15 UTC

NSF Unidata NetCDF-C NC Variable Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of NSF Unidata NetCDF-C. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of NC variables. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-27266.

osv:UBUNTU-CVE-2025-14933

netcdf

Fixed versions: Not specified

netcdf

Fixed versions: Not specified

netcdf

Fixed versions: Not specified

netcdf

Fixed versions: Not specified

netcdf-parallel

Fixed versions: Not specified

netcdf

Fixed versions: Not specified

netcdf-parallel

Fixed versions: Not specified

netcdf

Fixed versions: Not specified

netcdf-parallel

Fixed versions: Not specified

netcdf

Fixed versions: Not specified

netcdf-parallel

Fixed versions: Not specified

netcdf

Fixed versions: Not specified

netcdf-parallel

Fixed versions: Not specified

netcdf

Fixed versions: Not specified

netcdf-parallel

Fixed versions: Not specified

Complete source record
{
  "id": "9bcf54c826f49f4de6ebdf886682919b5850b812a0ac8c37f2df865a05cb1288",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2025-14933",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2025-14933",
    "summary": "NSF Unidata NetCDF-C NC Variable Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of NSF Unidata NetCDF-C. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of NC variables. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-27266.",
    "evidence": "osv:UBUNTU-CVE-2025-14933",
    "products": [
      {
        "name": {
          "value": "netcdf",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:4.1.3-6build1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1:4.1.3-7",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1:4.1.3-7ubuntu2",
            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
          "value": "netcdf",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:4.4.0~rc2-1build1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "1:4.4.0~rc3-1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "1:4.4.0-1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "1:4.4.0-2",
            "evidence": "/affected/1/versions"
          }
        ]
      },
      {
        "name": {
          "value": "netcdf",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:4.4.1.1-2ubuntu1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "1:4.5.0-1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "1:4.5.0-2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "1:4.6.0-2",
            "evidence": "/affected/2/versions"
          },
          {
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            "evidence": "/affected/2/versions"
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        ]
      },
      {
        "name": {
          "value": "netcdf",
          "evidence": "/affected/3/package/name"
        },
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        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:4.6.2-1build1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "1:4.7.3-1",
            "evidence": "/affected/3/versions"
          }
        ]
      },
      {
        "name": {
          "value": "netcdf-parallel",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:4.6.2-1",
            "evidence": "/affected/4/versions"
          }
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      },
      {
        "name": {
          "value": "netcdf",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:4.7.4-1build1",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "1:4.8.1-1",
            "evidence": "/affected/5/versions"
          }
        ]
      },
      {
        "name": {
          "value": "netcdf-parallel",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:4.7.4-1",
            "evidence": "/affected/6/versions"
          },
          {
            "value": "1:4.8.1-2",
            "evidence": "/affected/6/versions"
          }
        ]
      },
      {
        "name": {
          "value": "netcdf",
          "evidence": "/affected/7/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:4.9.2-2ubuntu1",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "1:4.9.2-3ubuntu1",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "1:4.9.2-5ubuntu3",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "1:4.9.2-5ubuntu4",
            "evidence": "/affected/7/versions"
          }
        ]
      },
      {
        "name": {
          "value": "netcdf-parallel",
          "evidence": "/affected/8/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:4.9.0-1ubuntu1",
            "evidence": "/affected/8/versions"
          },
          {
            "value": "1:4.9.0-1ubuntu3",
            "evidence": "/affected/8/versions"
          },
          {
            "value": "1:4.9.0-1ubuntu4",
            "evidence": "/affected/8/versions"
          }
        ]
      },
      {
        "name": {
          "value": "netcdf",
          "evidence": "/affected/9/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:4.9.3-1",
            "evidence": "/affected/9/versions"
          },
          {
            "value": "1:4.9.3-1build1",
            "evidence": "/affected/9/versions"
          }
        ]
      },
      {
        "name": {
          "value": "netcdf-parallel",
          "evidence": "/affected/10/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:4.9.0-6build1",
            "evidence": "/affected/10/versions"
          },
          {
            "value": "1:4.9.3-2",
            "evidence": "/affected/10/versions"
          },
          {
            "value": "1:4.9.3-2build1",
            "evidence": "/affected/10/versions"
          }
        ]
      },
      {
        "name": {
          "value": "netcdf",
          "evidence": "/affected/11/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:4.9.3-1build2",
            "evidence": "/affected/11/versions"
          },
          {
            "value": "1:4.10.0-1",
            "evidence": "/affected/11/versions"
          },
          {
            "value": "1:4.10.1-1",
            "evidence": "/affected/11/versions"
          },
          {
            "value": "1:4.10.1-1build1",
            "evidence": "/affected/11/versions"
          }
        ]
      },
      {
        "name": {
          "value": "netcdf-parallel",
          "evidence": "/affected/12/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:4.9.3-2build2",
            "evidence": "/affected/12/versions"
          },
          {
            "value": "1:4.10.0-1",
            "evidence": "/affected/12/versions"
          },
          {
            "value": "1:4.10.1-1",
            "evidence": "/affected/12/versions"
          },
          {
            "value": "1:4.10.1-2",
            "evidence": "/affected/12/versions"
          },
          {
            "value": "1:4.10.1-2build1",
            "evidence": "/affected/12/versions"
          }
        ]
      },
      {
        "name": {
          "value": "netcdf",
          "evidence": "/affected/13/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:4.9.3-1build1",
            "evidence": "/affected/13/versions"
          },
          {
            "value": "1:4.9.3-1build2",
            "evidence": "/affected/13/versions"
          }
        ]
      },
      {
        "name": {
          "value": "netcdf-parallel",
          "evidence": "/affected/14/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:4.9.3-2build1",
            "evidence": "/affected/14/versions"
          },
          {
            "value": "1:4.9.3-2build2",
            "evidence": "/affected/14/versions"
          }
        ]
      }
    ],
    "severity": "high",
    "structured": {
      "id": "UBUNTU-CVE-2025-14933",
      "aliases": [
        "UBUNTU-CVE-2025-14933"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        },
        {
          "type": "Ubuntu",
          "score": "medium"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "netcdf",
            "purl": "pkg:deb/ubuntu/netcdf?arch=source&distro=trusty",
            "ecosystem": "Ubuntu:14.04:LTS"
          },
          "versions": [
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            "1:4.1.3-7",
            "1:4.1.3-7ubuntu2"
          ],
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          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "libcf0",
                "binary_version": "1:4.1.3-7ubuntu2"
              },
              {
                "binary_name": "libnetcdfc++4",
                "binary_version": "1:4.1.3-7ubuntu2"
              },
              {
                "binary_name": "libnetcdfc7",
                "binary_version": "1:4.1.3-7ubuntu2"
              },
              {
                "binary_name": "libnetcdff5",
                "binary_version": "1:4.1.3-7ubuntu2"
              },
              {
                "binary_name": "netcdf-bin",
                "binary_version": "1:4.1.3-7ubuntu2"
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        {
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          ],
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          },
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          ],
          "database_specific": {
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          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "libnetcdf11",
                "binary_version": "1:4.4.0-2"
              },
              {
                "binary_name": "netcdf-bin",
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              }
            ]
          }
        },
        {
          "ranges": [
            {
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                {
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              ]
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          ],
          "package": {
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          },
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          ],
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          },
          "ecosystem_specific": {
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        },
        {
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          ],
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          },
          "versions": [
            "1:4.6.2-1build1",
            "1:4.7.3-1"
          ],
          "database_specific": {
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          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "libnetcdf15",
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              },
              {
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              }
            ]
          }
        },
        {
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          ],
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          },
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          ],
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          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "libnetcdf-mpi-13",
                "binary_version": "1:4.6.2-1"
              },
              {
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            ]
          }
        },
        {
          "ranges": [
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                {
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                }
              ]
            }
          ],
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            "1:4.8.1-1"
          ],
          "database_specific": {
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          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "libnetcdf19",
                "binary_version": "1:4.8.1-1"
              },
              {
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              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
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                {
                  "introduced": "0"
                }
              ]
            }
          ],
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          },
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            "1:4.8.1-2"
          ],
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          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "libnetcdf-mpi-19",
                "binary_version": "1:4.8.1-2"
              },
              {
                "binary_name": "libnetcdf-pnetcdf-19",
                "binary_version": "1:4.8.1-2"
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            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "netcdf",
            "purl": "pkg:deb/ubuntu/netcdf?arch=source&distro=noble",
            "ecosystem": "Ubuntu:24.04:LTS"
          },
          "versions": [
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            "1:4.9.2-3ubuntu1",
            "1:4.9.2-5ubuntu3",
            "1:4.9.2-5ubuntu4"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-14933.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "libnetcdf19t64",
                "binary_version": "1:4.9.2-5ubuntu4"
              },
              {
                "binary_name": "netcdf-bin",
                "binary_version": "1:4.9.2-5ubuntu4"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "netcdf-parallel",
            "purl": "pkg:deb/ubuntu/netcdf-parallel?arch=source&distro=noble",
            "ecosystem": "Ubuntu:24.04:LTS"
          },
          "versions": [
            "1:4.9.0-1ubuntu1",
            "1:4.9.0-1ubuntu3",
            "1:4.9.0-1ubuntu4"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-14933.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "libnetcdf-mpi-19",
                "binary_version": "1:4.9.0-1ubuntu4"
              },
              {
                "binary_name": "libnetcdf-pnetcdf-19",
                "binary_version": "1:4.9.0-1ubuntu4"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "netcdf",
            "purl": "pkg:deb/ubuntu/netcdf?arch=source&distro=questing",
            "ecosystem": "Ubuntu:25.10"
          },
          "versions": [
            "1:4.9.3-1",
            "1:4.9.3-1build1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-14933.json"
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      "modified": "2026-10-17T12:57:01.539468451Z",
      "provider": "osv",
      "upstream": [
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      "references": [
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        "https://www.cve.org/CVERecord?id=CVE-2025-14933",
        "https://www.zerodayinitiative.com/advisories/ZDI-25-1151/"
      ]
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    "related_cves": [
      {
        "value": "CVE-2025-14933",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 356647,
  "published_at": "2025-12-23T21:15:00+00:00"
}