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nasm — security advisory

Type: advisorySources: OSVAdvisory ID: UBUNTU-CVE-2025-8845

A vulnerability was identified in NASM Netwide Assember 2.17rc0. This issue affects the function assemble_file of the file nasm.c. The manipulation leads to stack-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.

Products
nasm
Affected versions
2.11.06-1really2.11.05-1, 2.11.08-1, 2.11.08-1ubuntu0.1, 2.13.01-2, 2.13.02-0.1, 2.14.02-1, 2.15.05-1, 2.15.05-1ubuntu0.1~esm1, 2.15.05-1ubuntu0.1~esm2, 2.16.01-1, 2.16.01-1build1, 2.16.01-1ubuntu0.1~esm1, 2.16.01-1ubuntu0.1~esm2, 2.16.03-1, 3.01-1
Fixed versions
Not specified
CVEs
CVE-2025-8845
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 01:56 UTC · Revision 1

Source evidence

UBUNTU-CVE-2025-8845

core-osv · Original source

Published 11 Aug 2025, 13:15 UTC

A vulnerability was identified in NASM Netwide Assember 2.17rc0. This issue affects the function assemble_file of the file nasm.c. The manipulation leads to stack-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.

osv:UBUNTU-CVE-2025-8845

nasm

Fixed versions: Not specified

nasm

Fixed versions: Not specified

nasm

Fixed versions: Not specified

nasm

Fixed versions: Not specified

nasm

Fixed versions: Not specified

nasm

Fixed versions: Not specified

nasm

Fixed versions: Not specified

nasm

Fixed versions: Not specified

Complete source record
{
  "id": "615d34c8a917462a025cfe91f973e015dfa0c2c22fcde76bc3b452c6db5ad341",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2025-8845",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2025-8845",
    "summary": "A vulnerability was identified in NASM Netwide Assember 2.17rc0. This issue affects the function assemble_file of the file nasm.c. The manipulation leads to stack-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.",
    "evidence": "osv:UBUNTU-CVE-2025-8845",
    "products": [
      {
        "name": {
          "value": "nasm",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2.11.06-1really2.11.05-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.11.08-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.11.08-1ubuntu0.1",
            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
          "value": "nasm",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2.13.01-2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2.13.02-0.1",
            "evidence": "/affected/1/versions"
          }
        ]
      },
      {
        "name": {
          "value": "nasm",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2.14.02-1",
            "evidence": "/affected/2/versions"
          }
        ]
      },
      {
        "name": {
          "value": "nasm",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2.15.05-1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2.15.05-1ubuntu0.1~esm1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2.15.05-1ubuntu0.1~esm2",
            "evidence": "/affected/3/versions"
          }
        ]
      },
      {
        "name": {
          "value": "nasm",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2.16.01-1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "2.16.01-1build1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "2.16.01-1ubuntu0.1~esm1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "2.16.01-1ubuntu0.1~esm2",
            "evidence": "/affected/4/versions"
          }
        ]
      },
      {
        "name": {
          "value": "nasm",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2.16.03-1",
            "evidence": "/affected/5/versions"
          }
        ]
      },
      {
        "name": {
          "value": "nasm",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "3.01-1",
            "evidence": "/affected/6/versions"
          }
        ]
      },
      {
        "name": {
          "value": "nasm",
          "evidence": "/affected/7/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2.16.03-1",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "3.01-1",
            "evidence": "/affected/7/versions"
          }
        ]
      }
    ],
    "severity": "high",
    "structured": {
      "id": "UBUNTU-CVE-2025-8845",
      "aliases": [
        "UBUNTU-CVE-2025-8845"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"
        },
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        },
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"
        },
        {
          "type": "Ubuntu",
          "score": "low"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "nasm",
            "purl": "pkg:deb/ubuntu/nasm?arch=source&distro=xenial",
            "ecosystem": "Ubuntu:16.04:LTS"
          },
          "versions": [
            "2.11.06-1really2.11.05-1",
            "2.11.08-1",
            "2.11.08-1ubuntu0.1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-8845.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "nasm",
                "binary_version": "2.11.08-1ubuntu0.1"
              }
            ],
            "priority_reason": "localhost access is needed"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "nasm",
            "purl": "pkg:deb/ubuntu/nasm?arch=source&distro=bionic",
            "ecosystem": "Ubuntu:18.04:LTS"
          },
          "versions": [
            "2.13.01-2",
            "2.13.02-0.1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-8845.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "nasm",
                "binary_version": "2.13.02-0.1"
              }
            ],
            "priority_reason": "localhost access is needed"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "nasm",
            "purl": "pkg:deb/ubuntu/nasm?arch=source&distro=focal",
            "ecosystem": "Ubuntu:20.04:LTS"
          },
          "versions": [
            "2.14.02-1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-8845.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "nasm",
                "binary_version": "2.14.02-1"
              }
            ],
            "priority_reason": "localhost access is needed"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "nasm",
            "purl": "pkg:deb/ubuntu/nasm?arch=source&distro=esm-apps%2Fjammy",
            "ecosystem": "Ubuntu:Pro:22.04:LTS"
          },
          "versions": [
            "2.15.05-1",
            "2.15.05-1ubuntu0.1~esm1",
            "2.15.05-1ubuntu0.1~esm2"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-8845.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "nasm",
                "binary_version": "2.15.05-1ubuntu0.1~esm2"
              }
            ],
            "priority_reason": "localhost access is needed"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "nasm",
            "purl": "pkg:deb/ubuntu/nasm?arch=source&distro=esm-apps%2Fnoble",
            "ecosystem": "Ubuntu:Pro:24.04:LTS"
          },
          "versions": [
            "2.16.01-1",
            "2.16.01-1build1",
            "2.16.01-1ubuntu0.1~esm1",
            "2.16.01-1ubuntu0.1~esm2"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-8845.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "nasm",
                "binary_version": "2.16.01-1ubuntu0.1~esm2"
              }
            ],
            "priority_reason": "localhost access is needed"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "nasm",
            "purl": "pkg:deb/ubuntu/nasm?arch=source&distro=questing",
            "ecosystem": "Ubuntu:25.10"
          },
          "versions": [
            "2.16.03-1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-8845.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "nasm",
                "binary_version": "2.16.03-1"
              }
            ],
            "priority_reason": "localhost access is needed"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "nasm",
            "purl": "pkg:deb/ubuntu/nasm?arch=source&distro=stonking",
            "ecosystem": "Ubuntu:26.10"
          },
          "versions": [
            "3.01-1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-8845.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "nasm",
                "binary_version": "3.01-1"
              }
            ],
            "priority_reason": "localhost access is needed"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "nasm",
            "purl": "pkg:deb/ubuntu/nasm?arch=source&distro=resolute",
            "ecosystem": "Ubuntu:26.04:LTS"
          },
          "versions": [
            "2.16.03-1",
            "3.01-1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-8845.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "nasm",
                "binary_version": "3.01-1"
              }
            ],
            "priority_reason": "localhost access is needed"
          }
        }
      ],
      "modified": "2026-10-17T12:57:44.623697796Z",
      "provider": "osv",
      "upstream": [
        "CVE-2025-8845"
      ],
      "references": [
        "https://ubuntu.com/security/CVE-2025-8845",
        "https://www.cve.org/CVERecord?id=CVE-2025-8845",
        "https://bugzilla.nasm.us/show_bug.cgi?id=3392937",
        "https://drive.google.com/file/d/1pEQb6lcdohWV53DzPPU7kaCCNg-qAaau/view?usp=drive_link",
        "https://vuldb.com/?ctiid.319379",
        "https://vuldb.com/?id.319379",
        "https://vuldb.com/?submit.623188"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2025-8845",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/1/score"
  },
  "source_id": "core-osv",
  "document_id": 357672,
  "published_at": "2025-08-11T13:15:00+00:00"
}