{"id":"CVE-2021-44047","aliases":["EUVD-2021-30906","GHSA-ch5j-vx43-x3h2"],"status":"published","title":"A use-after-free vulnerability exists when reading a DWF/DWFX file using Open Design Alliance...","description":"A use-after-free vulnerability exists when reading a DWF/DWFX file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists with parsing DWF/DWFX files. Crafted data in a DWF/DWFX file and lack of proper validation of input data can trigger a write operation past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00884,"percentile":0.5951,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2021-12-05T20:30:59Z","modified":"2026-06-17T04:11:50Z","products":[{"vendor":"opendesign","product":"drawings_sdk"}],"references":[{"url":"https://www.opendesign.com/security-advisories","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44047"},{"url":"https://github.com/advisories/GHSA-ch5j-vx43-x3h2"}],"sources":{"cve":[{"id":"CVE-2021-44047","description":"A use-after-free vulnerability exists when reading a DWF/DWFX file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists with parsing DWF/DWFX files. Crafted data in a DWF/DWFX file and lack of proper validation of input data can trigger a write operation past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.","status":"published","published":"2021-12-05T20:30:59Z","modified":"2024-08-04T04:10:17.323Z","updated_at":"2026-11-02T14:33:01.166399Z"}],"euvd":[{"id":"EUVD-2021-30906","description":"A use-after-free vulnerability exists when reading a DWF/DWFX file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists with parsing DWF/DWFX files. Crafted data in a DWF/DWFX file and lack of proper validation of input data can trigger a write operation past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.","status":"published","published":"2021-12-05T20:30:59Z","modified":"2024-08-04T04:10:17Z","updated_at":"2026-11-03T03:24:12.599691Z"}],"ghsa":[{"id":"GHSA-ch5j-vx43-x3h2","title":"A use-after-free vulnerability exists when reading a DWF/DWFX file using Open Design Alliance...","description":"A use-after-free vulnerability exists when reading a DWF/DWFX file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists with parsing DWF/DWFX files. Crafted data in a DWF/DWFX file and lack of proper validation of input data can trigger a write operation past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.","status":"published","published":"2021-12-06T00:00:54Z","modified":"2023-02-01T05:06:42Z","cwes":["CWE-416"],"updated_at":"2026-11-02T14:50:24.014737Z"}],"nvd":[{"id":"CVE-2021-44047","description":"A use-after-free vulnerability exists when reading a DWF/DWFX file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists with parsing DWF/DWFX files. Crafted data in a DWF/DWFX file and lack of proper validation of input data can trigger a write operation past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.","status":"published","published":"2021-12-05T21:15:08.117Z","modified":"2026-06-17T04:11:50.96Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:07:01.811115Z"}]}}