{"id":"CVE-2021-33798","aliases":["EUVD-2021-20475","GHSA-573q-g6cg-g6cq","UBUNTU-CVE-2021-33798"],"status":"published","title":"A null pointer dereference was found in libpano13, version libpano13-2.9.20. The flow allows...","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.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00485,"percentile":0.42095,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2023-07-07T17:39:16Z","modified":"2026-10-17T12:56:19Z","affected":[{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"libpano13","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.19+dfsg-1","2.9.19+dfsg-2","2.9.19+dfsg-2ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"libpano13","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.19+dfsg-2build1","2.9.19+dfsg-3","2.9.19+dfsg-3ubuntu0.18.04.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libpano13","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.19+dfsg-3","2.9.19+dfsg-3ubuntu0.20.04.1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"libpano13","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.20~rc3+dfsg-1","2.9.20~rc3+dfsg-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libpano13","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.22~rc2+dfsg-1","2.9.22+dfsg-1","2.9.22+dfsg-1.1","2.9.22+dfsg-1.1build1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"libpano13","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.22+dfsg-1.1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"libpano13","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.23+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libpano13","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.22+dfsg-1.1build1","2.9.23+dfsg-1"]}],"products":[{"vendor":"libpano13","product":"libpano13"},{"vendor":"libpano13_project","product":"libpano13"}],"references":[{"url":"https://groups.google.com/u/1/g/hugin-ptx/c/gLtz2vweD74","tags":["x_transferred","Exploit","Mailing List","Third Party Advisory","report"]},{"url":"https://sourceforge.net/p/panotools/libpano13/ci/62aa7eed8fae5d8f247a2508a757f31000de386f/","tags":["x_transferred","Patch","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33798"},{"url":"https://sourceforge.net/p/panotools/libpano13/ci/62aa7eed8fae5d8f247a2508a757f31000de386f"},{"url":"https://github.com/advisories/GHSA-573q-g6cg-g6cq"},{"url":"https://ubuntu.com/security/CVE-2021-33798","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-33798","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-33798","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.\n\n\n","status":"published","published":"2023-07-07T17:39:16.274Z","modified":"2024-10-28T15:46:30.811Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:33:10.204494Z"}],"euvd":[{"id":"EUVD-2021-20475","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.\n\n\n","status":"published","published":"2023-07-07T17:39:16Z","modified":"2024-10-28T15:46:30Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:05:16.135425Z"}],"ghsa":[{"id":"GHSA-573q-g6cg-g6cq","title":"A null pointer dereference was found in libpano13, version libpano13-2.9.20. The flow allows...","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.\n\n\n","status":"published","published":"2023-07-07T18:30:26Z","modified":"2024-04-04T05:50:50Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:56:36.514369Z"}],"nvd":[{"id":"CVE-2021-33798","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.\n\n\n","status":"published","published":"2023-07-07T18:15:09.507Z","modified":"2026-06-17T03:55:15.237Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:07:07.764332Z"}],"osv":[{"id":"UBUNTU-CVE-2021-33798","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.","status":"published","published":"2023-07-07T18:15:00Z","modified":"2026-10-17T12:56:19.681582389Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:27.870979Z"}]}}