{"api_version":"1","generated_at":"2026-04-22T23:31:56+00:00","cve":"CVE-2021-36976","urls":{"html":"https://cve.report/CVE-2021-36976","api":"https://cve.report/api/cve/CVE-2021-36976.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-36976","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-36976"},"summary":{"title":"CVE-2021-36976","description":"libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string (called from do_uncompress_block and process_block).","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2021-07-20 07:15:00","updated_at":"2024-03-27 16:04:00"},"problem_types":["CWE-416"],"metrics":[],"references":[{"url":"http://seclists.org/fulldisclosure/2022/Mar/27","name":"20220314 APPLE-SA-2022-03-14-1 iOS 15.4 and iPadOS 15.4","refsource":"FULLDISC","tags":[],"title":"Full Disclosure: APPLE-SA-2022-03-14-1 iOS 15.4 and iPadOS 15.4","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"http://seclists.org/fulldisclosure/2022/Mar/29","name":"20220314 APPLE-SA-2022-03-14-4 macOS Monterey 12.3","refsource":"FULLDISC","tags":[],"title":"Full Disclosure: APPLE-SA-2022-03-14-4 macOS Monterey 12.3","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libarchive/OSV-2021-557.yaml","name":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libarchive/OSV-2021-557.yaml","refsource":"MISC","tags":[],"title":"oss-fuzz-vulns/OSV-2021-557.yaml at main · google/oss-fuzz-vulns · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375","refsource":"MISC","tags":[],"title":"32375 - \n \n \n oss-fuzz -\n \n \n OSS-Fuzz: Fuzzing the planet - \n \n Monorail","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://support.apple.com/kb/HT213193","name":"https://support.apple.com/kb/HT213193","refsource":"CONFIRM","tags":[],"title":"About the security content of watchOS 8.5 - Apple Support","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://support.apple.com/kb/HT213182","name":"https://support.apple.com/kb/HT213182","refsource":"CONFIRM","tags":[],"title":"About the security content of iOS 15.4 and iPadOS 15.4 - Apple Support","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SE5NJQNM22ZE5Z55LPAGCUHSBQZBKMKC/","name":"FEDORA-2022-9bb794c5f5","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 35 Update: libarchive-3.5.3-1.fc35 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://support.apple.com/kb/HT213183","name":"https://support.apple.com/kb/HT213183","refsource":"CONFIRM","tags":[],"title":"About the security content of macOS Monterey 12.3 - Apple Support (PH)","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SE5NJQNM22ZE5Z55LPAGCUHSBQZBKMKC/","name":"FEDORA-2022-9bb794c5f5","refsource":"","tags":[],"title":"[SECURITY] Fedora 35 Update: libarchive-3.5.3-1.fc35 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://seclists.org/fulldisclosure/2022/Mar/28","name":"20220314 APPLE-SA-2022-03-14-2 watchOS 8.5","refsource":"FULLDISC","tags":[],"title":"Full Disclosure: APPLE-SA-2022-03-14-2 watchOS 8.5","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://security.gentoo.org/glsa/202208-26","name":"GLSA-202208-26","refsource":"GENTOO","tags":[],"title":"libarchive: Multiple Vulnerabilities (GLSA 202208-26) — Gentoo security","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-36976","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36976","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"36976","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"ipados","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"36976","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"iphone_os","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"36976","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"macos","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"36976","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"watchos","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"36976","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"35","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"36976","vulnerable":"1","versionEndIncluding":"3.5.1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"libarchive","cpe5":"libarchive","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"36976","vulnerable":"1","versionEndIncluding":"3.5.2","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"libarchive","cpe5":"libarchive","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"36976","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"splunk","cpe5":"universal_forwarder","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"36976","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"splunk","cpe5":"universal_forwarder","cpe6":"9.1.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2021-36976","qid":"182946","title":"Debian Security Update for libarchive (CVE-2021-36976)"},{"cve":"CVE-2021-36976","qid":"198669","title":"Ubuntu Security Notification for libarchive Vulnerabilities (USN-5291-1)"},{"cve":"CVE-2021-36976","qid":"282426","title":"Fedora Security Update for libarchive (FEDORA-2022-9bb794c5f5)"},{"cve":"CVE-2021-36976","qid":"354321","title":"Amazon Linux Security Advisory for libarchive : ALAS2022-2022-201"},{"cve":"CVE-2021-36976","qid":"354419","title":"Amazon Linux Security Advisory for libarchive : ALAS2022-2022-059"},{"cve":"CVE-2021-36976","qid":"354576","title":"Amazon Linux Security Advisory for libarchive : ALAS-2022-201"},{"cve":"CVE-2021-36976","qid":"355173","title":"Amazon Linux Security Advisory for libarchive : ALAS2023-2023-071"},{"cve":"CVE-2021-36976","qid":"376485","title":"Apple MacOS Monterey 12.3 Not Installed (HT213183)"},{"cve":"CVE-2021-36976","qid":"376502","title":"Cygwin libarchive Package Multiple Security Vulnerabilities"},{"cve":"CVE-2021-36976","qid":"378599","title":"Splunk Enterprise Third Party Package Updates for June (SVD-2023-0613)"},{"cve":"CVE-2021-36976","qid":"378883","title":"Splunk Enterprise August Third Party Package Updates (SVD-2023-0808)"},{"cve":"CVE-2021-36976","qid":"501419","title":"Alpine Linux Security Update for libarchive"},{"cve":"CVE-2021-36976","qid":"501965","title":"Alpine Linux Security Update for libarchive"},{"cve":"CVE-2021-36976","qid":"504051","title":"Alpine Linux Security Update for libarchive"},{"cve":"CVE-2021-36976","qid":"610404","title":"Apple iOS 15.4 and iPadOS 15.4 Security Update Missing"},{"cve":"CVE-2021-36976","qid":"671195","title":"EulerOS Security Update for libarchive (EulerOS-SA-2022-1011)"},{"cve":"CVE-2021-36976","qid":"671221","title":"EulerOS Security Update for libarchive (EulerOS-SA-2022-1031)"},{"cve":"CVE-2021-36976","qid":"671320","title":"EulerOS Security Update for libarchive (EulerOS-SA-2022-1256)"},{"cve":"CVE-2021-36976","qid":"671331","title":"EulerOS Security Update for libarchive (EulerOS-SA-2022-1244)"},{"cve":"CVE-2021-36976","qid":"710601","title":"Gentoo Linux libarchive Multiple Vulnerabilities (GLSA 202208-26)"},{"cve":"CVE-2021-36976","qid":"751928","title":"OpenSUSE Security Update for libarchive (openSUSE-SU-2022:0944-1)"},{"cve":"CVE-2021-36976","qid":"752017","title":"SUSE Enterprise Linux Security Update for libarchive (SUSE-SU-2022:0944-1)"},{"cve":"CVE-2021-36976","qid":"752203","title":"SUSE Enterprise Linux Security Update for libarchive (SUSE-SU-2022:1930-1)"},{"cve":"CVE-2021-36976","qid":"753607","title":"SUSE Enterprise Linux Security Update for libarchive (SUSE-SU-2022:0944-2)"},{"cve":"CVE-2021-36976","qid":"900204","title":"CBL-Mariner Linux Security Update for libarchive 3.4.2"},{"cve":"CVE-2021-36976","qid":"901760","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for libarchive (6614-1)"},{"cve":"CVE-2021-36976","qid":"903777","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for libarchive (4585-1)"},{"cve":"CVE-2021-36976","qid":"91851","title":"Microsoft Windows Security Update for January 2022"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2021-36976","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":"libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string (called from do_uncompress_block and process_block)."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libarchive/OSV-2021-557.yaml","refsource":"MISC","name":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libarchive/OSV-2021-557.yaml"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375","refsource":"MISC","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375"},{"refsource":"FEDORA","name":"FEDORA-2022-9bb794c5f5","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SE5NJQNM22ZE5Z55LPAGCUHSBQZBKMKC/"},{"refsource":"CONFIRM","name":"https://support.apple.com/kb/HT213183","url":"https://support.apple.com/kb/HT213183"},{"refsource":"CONFIRM","name":"https://support.apple.com/kb/HT213182","url":"https://support.apple.com/kb/HT213182"},{"refsource":"CONFIRM","name":"https://support.apple.com/kb/HT213193","url":"https://support.apple.com/kb/HT213193"},{"refsource":"FULLDISC","name":"20220314 APPLE-SA-2022-03-14-2 watchOS 8.5","url":"http://seclists.org/fulldisclosure/2022/Mar/28"},{"refsource":"FULLDISC","name":"20220314 APPLE-SA-2022-03-14-4 macOS Monterey 12.3","url":"http://seclists.org/fulldisclosure/2022/Mar/29"},{"refsource":"FULLDISC","name":"20220314 APPLE-SA-2022-03-14-1 iOS 15.4 and iPadOS 15.4","url":"http://seclists.org/fulldisclosure/2022/Mar/27"},{"refsource":"GENTOO","name":"GLSA-202208-26","url":"https://security.gentoo.org/glsa/202208-26"}]}},"nvd":{"publishedDate":"2021-07-20 07:15:00","lastModifiedDate":"2024-03-27 16:04:00","problem_types":["CWE-416"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"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:libarchive:libarchive:*:*:*:*:*:*:*:*","versionStartIncluding":"3.4.1","versionEndIncluding":"3.5.2","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*","versionEndExcluding":"12.3","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*","versionEndExcluding":"15.4","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*","versionEndExcluding":"15.4","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*","versionEndExcluding":"8.5","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*","versionStartIncluding":"9.0.0","versionEndExcluding":"9.0.6","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*","versionStartIncluding":"8.2.0","versionEndExcluding":"8.2.12","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"36976","Ordinal":"212546","Title":"CVE-2021-36976","CVE":"CVE-2021-36976","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"36976","Ordinal":"1","NoteData":"libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string (called from do_uncompress_block and process_block).","Type":"Description","Title":null},{"CveYear":"2021","CveId":"36976","Ordinal":"2","NoteData":"2021-07-20","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"36976","Ordinal":"3","NoteData":"2021-07-20","Type":"Other","Title":"Modified"}]}}}