{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "6.2.3-25426-3"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "3.0"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "2.2.7.1"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "faad2"
              },
              {
                "fixed": "2.2.7.1"
              }
            ]
          }
        ]
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "720f7004d6c4aabee19aad16e7c456ed76a3ebfa"
            }
          ],
          "repo": "https://github.com/knik0/faad2",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "720f7004d6c4aabee19aad16e7c456ed76a3ebfa"
            }
          ],
          "repo": "https://github.com/knik0/faad2",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Stack-based buffer overflow vulnerability in frontend/main.c in faad2 before 2.2.7.1 allow local attackers to execute arbitrary code via filename and pathname options.",
  "id": "CVE-2021-26567",
  "modified": "2026-03-13T21:49:29.545169899Z",
  "published": "2021-02-26T22:15:20.707Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.synology.com/security/advisory/Synology_SA_20_26"
    },
    {
      "type": "FIX",
      "url": "https://github.com/knik0/faad2/commit/720f7004d6c4aabee19aad16e7c456ed76a3ebfa"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}