{"cve":"CVE-2021-33798","nvd":{"published":"2023-07-07T18:15:09.507","modified":"2026-06-17T03:55:15.237","status":"Modified","description":"A null pointer dereference was found in libpano13, version libpano13-2.9.20. The flow allows attackers to cause a denial of service and potential code execute via a crafted file.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-476"],"references":["https://groups.google.com/u/1/g/hugin-ptx/c/gLtz2vweD74","https://sourceforge.net/p/panotools/libpano13/ci/62aa7eed8fae5d8f247a2508a757f31000de386f/","https://groups.google.com/u/1/g/hugin-ptx/c/gLtz2vweD74","https://sourceforge.net/p/panotools/libpano13/ci/62aa7eed8fae5d8f247a2508a757f31000de386f/"],"products":["libpano13_project:libpano13"],"source":"nvd","synced_at":"2026-10-19T21:38:30.124994567+00:00"},"epss":{"cve":"CVE-2021-33798","score":0.00485,"percentile":0.41779,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}