{"id":"CVE-2023-34795","aliases":["EUVD-2023-38836","GHSA-4462-822p-62r3"],"status":"published","title":"xlsxio v0.1.2 to v0.2.34 was discovered to contain a free of uninitialized pointer in the...","description":"xlsxio v0.1.2 to v0.2.34 was discovered to contain a free of uninitialized pointer in the xlsxioread_sheetlist_close() function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted XLSX file.","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":0.00353,"percentile":0.29233,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2023-06-16T00:00:00Z","modified":"2026-10-28T10:38:58Z","products":[{"vendor":"xlsxio_project","product":"xlsxio"}],"references":[{"url":"https://github.com/brechtsanders/xlsxio/issues/121","tags":["x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://github.com/brechtsanders/xlsxio/commit/d653f1604b54532f11b45dca1fa164b4a1f15e2d","tags":["x_transferred","Patch","fix"]},{"url":"https://github.com/xf1les/cve-advisories/blob/main/2023/CVE-2023-34795.md","tags":["x_transferred","Exploit","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34795","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4462-822p-62r3"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/34xxx/CVE-2023-34795.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-34795","description":"xlsxio v0.1.2 to v0.2.34 was discovered to contain a free of uninitialized pointer in the xlsxioread_sheetlist_close() function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted XLSX file.","status":"published","published":"2023-06-16T00:00:00Z","modified":"2024-12-17T17:14:13.589Z","updated_at":"2026-11-02T14:35:35.912488Z"}],"euvd":[{"id":"EUVD-2023-38836","description":"xlsxio v0.1.2 to v0.2.34 was discovered to contain a free of uninitialized pointer in the xlsxioread_sheetlist_close() function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted XLSX file.","status":"published","published":"2023-06-16T00:00:00Z","modified":"2024-12-17T17:14:13Z","updated_at":"2026-11-03T00:04:34.500778Z"}],"ghsa":[{"id":"GHSA-4462-822p-62r3","title":"xlsxio v0.1.2 to v0.2.34 was discovered to contain a free of uninitialized pointer in the...","description":"xlsxio v0.1.2 to v0.2.34 was discovered to contain a free of uninitialized pointer in the xlsxioread_sheetlist_close() function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted XLSX file.","status":"published","published":"2023-06-16T18:30:33Z","modified":"2024-04-04T04:55:08Z","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"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:56:28.408484Z"}],"nvd":[{"id":"CVE-2023-34795","description":"xlsxio v0.1.2 to v0.2.34 was discovered to contain a free of uninitialized pointer in the xlsxioread_sheetlist_close() function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted XLSX file.","status":"published","published":"2023-06-16T16:15:09.357Z","modified":"2026-06-17T06:04:00.5Z","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"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:08:06.335469Z"}],"osv":[{"id":"CVE-2023-34795","description":"xlsxio v0.1.2 to v0.2.34 was discovered to contain a free of uninitialized pointer in the xlsxioread_sheetlist_close() function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted XLSX file.","status":"published","published":"2023-06-16T00:00:00Z","modified":"2026-10-28T10:38:58.589206271Z","updated_at":"2026-11-02T15:44:32.116263Z"}]}}