{"api_version":"1","generated_at":"2026-04-17T09:15:41+00:00","cve":"CVE-2020-24978","urls":{"html":"https://cve.report/CVE-2020-24978","api":"https://cve.report/api/cve/CVE-2020-24978.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-24978","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-24978"},"summary":{"title":"CVE-2020-24978","description":"In NASM 2.15.04rc3, there is a double-free vulnerability in pp_tokline asm/preproc.c. This is fixed in commit 8806c3ca007b84accac21dd88b900fb03614ceb7.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2020-09-04 00:15:00","updated_at":"2022-09-02 16:32:00"},"problem_types":["CWE-415"],"metrics":[],"references":[{"url":"https://bugzilla.nasm.us/show_bug.cgi?id=3392712","name":"https://bugzilla.nasm.us/show_bug.cgi?id=3392712","refsource":"MISC","tags":["Exploit","Issue Tracking","Vendor Advisory"],"title":"3392712 – double-free in pp_tokline asm/preproc.c:6750","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-24978","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-24978","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"24978","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"nasm","cpe5":"netwide_assembler","cpe6":"2.15.04","cpe7":"rc3","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"24978","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"nasm","cpe5":"network_assembler","cpe6":"2.15.04","cpe7":"rc3","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"24978","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"nasm","cpe5":"network_assembler","cpe6":"2.15.04","cpe7":"rc3","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2020-24978","qid":"180736","title":"Debian Security Update for nasm (CVE-2020-24978)"},{"cve":"CVE-2020-24978","qid":"904827","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for nasm (12386)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2020-24978","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"In NASM 2.15.04rc3, there is a double-free vulnerability in pp_tokline asm/preproc.c. This is fixed in commit 8806c3ca007b84accac21dd88b900fb03614ceb7."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://bugzilla.nasm.us/show_bug.cgi?id=3392712","refsource":"MISC","name":"https://bugzilla.nasm.us/show_bug.cgi?id=3392712"}]}},"nvd":{"publishedDate":"2020-09-04 00:15:00","lastModifiedDate":"2022-09-02 16:32:00","problem_types":["CWE-415"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL"},"exploitabilityScore":3.9,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":7.5},"severity":"HIGH","exploitabilityScore":10,"impactScore":6.4,"acInsufInfo":true,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:nasm:netwide_assembler:2.15.04:rc3:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"24978","Ordinal":"186388","Title":"CVE-2020-24978","CVE":"CVE-2020-24978","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"24978","Ordinal":"1","NoteData":"In NASM 2.15.04rc3, there is a double-free vulnerability in pp_tokline asm/preproc.c. This is fixed in commit 8806c3ca007b84accac21dd88b900fb03614ceb7.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"24978","Ordinal":"2","NoteData":"2020-09-03","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"24978","Ordinal":"3","NoteData":"2020-09-03","Type":"Other","Title":"Modified"}]}}}