{"api_version":"1","generated_at":"2026-05-02T11:33:13+00:00","cve":"CVE-2018-20623","urls":{"html":"https://cve.report/CVE-2018-20623","api":"https://cve.report/api/cve/CVE-2018-20623.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2018-20623","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-20623"},"summary":{"title":"CVE-2018-20623","description":"In GNU Binutils 2.31.1, there is a use-after-free in the error function in elfcomm.c when called from the process_archive function in readelf.c via a crafted ELF file.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2018-12-31 19:29:00","updated_at":"2019-10-31 01:15:00"},"problem_types":["CWE-416"],"metrics":[],"references":[{"url":"https://support.f5.com/csp/article/K38336243","name":"https://support.f5.com/csp/article/K38336243","refsource":"CONFIRM","tags":["Third Party Advisory"],"title":"","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://usn.ubuntu.com/4336-1/","name":"USN-4336-1","refsource":"UBUNTU","tags":[],"title":"USN-4336-1: GNU binutils vulnerabilities | Ubuntu security notices","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html","name":"openSUSE-SU-2019:2415","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2019:2415-1: moderate: Security update f","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=24049","name":"https://sourceware.org/bugzilla/show_bug.cgi?id=24049","refsource":"MISC","tags":["Exploit","Issue Tracking","Third Party Advisory"],"title":"24049 – heap-use-after-free in readelf","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html","name":"openSUSE-SU-2019:2432","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2019:2432-1: moderate: Security update f","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/106370","name":"106370","refsource":"BID","tags":["Third Party Advisory","VDB Entry"],"title":"GNU Binutils CVE-2018-20623 Heap Based Buffer Overflow Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-20623","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-20623","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2018","cve_id":"20623","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"gnu","cpe5":"binutils","cpe6":"2.31.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"20623","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"gnu","cpe5":"binutils","cpe6":"2.31.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2018-20623","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 GNU Binutils 2.31.1, there is a use-after-free in the error function in elfcomm.c when called from the process_archive function in readelf.c via a crafted ELF file."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"106370","refsource":"BID","url":"http://www.securityfocus.com/bid/106370"},{"name":"https://sourceware.org/bugzilla/show_bug.cgi?id=24049","refsource":"MISC","url":"https://sourceware.org/bugzilla/show_bug.cgi?id=24049"},{"refsource":"CONFIRM","name":"https://support.f5.com/csp/article/K38336243","url":"https://support.f5.com/csp/article/K38336243"},{"refsource":"SUSE","name":"openSUSE-SU-2019:2415","url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html"},{"refsource":"SUSE","name":"openSUSE-SU-2019:2432","url":"http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html"},{"refsource":"UBUNTU","name":"USN-4336-1","url":"https://usn.ubuntu.com/4336-1/"}]}},"nvd":{"publishedDate":"2018-12-31 19:29:00","lastModifiedDate":"2019-10-31 01:15:00","problem_types":["CWE-416"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":1.8,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:N/A:P","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":4.3},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:gnu:binutils:2.31.1:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2018","CveId":"20623","Ordinal":"141063","Title":"CVE-2018-20623","CVE":"CVE-2018-20623","Year":"2018"},"notes":[{"CveYear":"2018","CveId":"20623","Ordinal":"1","NoteData":"In GNU Binutils 2.31.1, there is a use-after-free in the error function in elfcomm.c when called from the process_archive function in readelf.c via a crafted ELF file.","Type":"Description","Title":null},{"CveYear":"2018","CveId":"20623","Ordinal":"2","NoteData":"2018-12-31","Type":"Other","Title":"Published"},{"CveYear":"2018","CveId":"20623","Ordinal":"3","NoteData":"2020-04-28","Type":"Other","Title":"Modified"}]}}}