{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-09-21T09:21:50.821","vulnerabilities":[{"cve":{"id":"CVE-2021-23191","sourceIdentifier":"secalert@redhat.com","published":"2022-03-02T23:15:08.347","lastModified":"2026-06-17T03:38:24.110","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A security issue was found in htmldoc v1.9.12 and before. A NULL pointer dereference in the function image_load_jpeg() in image.cxx may result in denial of service."},{"lang":"es","value":"Se encontró un problema de seguridad en htmldoc versiones v1.9.12 y anteriores. Una desreferencia de puntero NULL en la función image_load_jpeg() en el archivo image.cxx puede resultar en una denegación de servicio"}],"affected":[{"source":"secalert@redhat.com","affectedData":[{"vendor":"n/a","product":"htmldoc","versions":[{"version":"Fixed in htmldoc v1.9.12 and later.","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","baseScore":6.8,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"weaknesses":[{"source":"secalert@redhat.com","type":"Secondary","description":[{"lang":"en","value":"CWE-476"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-476"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:htmldoc_project:htmldoc:*:*:*:*:*:*:*:*","versionEndIncluding":"1.9.12","matchCriteriaId":"B9DD956F-44F8-4CB5-B9FD-9269C3E931F2"}]}]}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1967022","source":"secalert@redhat.com","tags":["Issue Tracking","Patch","Third Party Advisory"]},{"url":"https://github.com/michaelrsweet/htmldoc/commit/369b2ea1fd0d0537ba707f20a2f047b6afd2fbdc","source":"secalert@redhat.com","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/michaelrsweet/htmldoc/issues/415","source":"secalert@redhat.com","tags":["Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-23191","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1967022","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Patch","Third Party Advisory"]},{"url":"https://github.com/michaelrsweet/htmldoc/commit/369b2ea1fd0d0537ba707f20a2f047b6afd2fbdc","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/michaelrsweet/htmldoc/issues/415","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-23191","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}