{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "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)."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-08-14T19:07:49.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libarchive/OSV-2021-557.yaml"}, {"tags": ["x_refsource_MISC"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375"}, {"name": "FEDORA-2022-9bb794c5f5", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SE5NJQNM22ZE5Z55LPAGCUHSBQZBKMKC/"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://support.apple.com/kb/HT213183"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://support.apple.com/kb/HT213182"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://support.apple.com/kb/HT213193"}, {"name": "20220314 APPLE-SA-2022-03-14-2 watchOS 8.5", "tags": ["mailing-list", "x_refsource_FULLDISC"], "url": "http://seclists.org/fulldisclosure/2022/Mar/28"}, {"name": "20220314 APPLE-SA-2022-03-14-4 macOS Monterey 12.3", "tags": ["mailing-list", "x_refsource_FULLDISC"], "url": "http://seclists.org/fulldisclosure/2022/Mar/29"}, {"name": "20220314 APPLE-SA-2022-03-14-1 iOS 15.4 and iPadOS 15.4", "tags": ["mailing-list", "x_refsource_FULLDISC"], "url": "http://seclists.org/fulldisclosure/2022/Mar/27"}, {"name": "GLSA-202208-26", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/202208-26"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "[email protected]", "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": [{"name": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libarchive/OSV-2021-557.yaml", "refsource": "MISC", "url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libarchive/OSV-2021-557.yaml"}, {"name": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375", "refsource": "MISC", "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375"}, {"name": "FEDORA-2022-9bb794c5f5", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/[email protected]/message/SE5NJQNM22ZE5Z55LPAGCUHSBQZBKMKC/"}, {"name": "https://support.apple.com/kb/HT213183", "refsource": "CONFIRM", "url": "https://support.apple.com/kb/HT213183"}, {"name": "https://support.apple.com/kb/HT213182", "refsource": "CONFIRM", "url": "https://support.apple.com/kb/HT213182"}, {"name": "https://support.apple.com/kb/HT213193", "refsource": "CONFIRM", "url": "https://support.apple.com/kb/HT213193"}, {"name": "20220314 APPLE-SA-2022-03-14-2 watchOS 8.5", "refsource": "FULLDISC", "url": "http://seclists.org/fulldisclosure/2022/Mar/28"}, {"name": "20220314 APPLE-SA-2022-03-14-4 macOS Monterey 12.3", "refsource": "FULLDISC", "url": "http://seclists.org/fulldisclosure/2022/Mar/29"}, {"name": "20220314 APPLE-SA-2022-03-14-1 iOS 15.4 and iPadOS 15.4", "refsource": "FULLDISC", "url": "http://seclists.org/fulldisclosure/2022/Mar/27"}, {"name": "GLSA-202208-26", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/202208-26"}]}}}, "adp": [{"title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libarchive/OSV-2021-557.yaml"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375"}, {"name": "FEDORA-2022-9bb794c5f5", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SE5NJQNM22ZE5Z55LPAGCUHSBQZBKMKC/"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://support.apple.com/kb/HT213183"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://support.apple.com/kb/HT213182"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://support.apple.com/kb/HT213193"}, {"name": "20220314 APPLE-SA-2022-03-14-2 watchOS 8.5", "tags": ["mailing-list", "x_refsource_FULLDISC", "x_transferred"], "url": "http://seclists.org/fulldisclosure/2022/Mar/28"}, {"name": "20220314 APPLE-SA-2022-03-14-4 macOS Monterey 12.3", "tags": ["mailing-list", "x_refsource_FULLDISC", "x_transferred"], "url": "http://seclists.org/fulldisclosure/2022/Mar/29"}, {"name": "20220314 APPLE-SA-2022-03-14-1 iOS 15.4 and iPadOS 15.4", "tags": ["mailing-list", "x_refsource_FULLDISC", "x_transferred"], "url": "http://seclists.org/fulldisclosure/2022/Mar/27"}, {"name": "GLSA-202208-26", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/202208-26"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/11/msg00007.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T21:45:04.640Z"}}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-36976", "datePublished": "2021-07-20T06:49:15.000Z", "dateReserved": "2021-07-20T00:00:00.000Z", "dateUpdated": "2025-11-03T21:45:04.640Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*", "matchCriteriaId": "BC347DBE-CB96-4546-B2A4-95E3DE39BE51", "versionEndIncluding": "3.5.2", "versionStartIncluding": "3.4.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "matchCriteriaId": "7A28B309-0018-46A4-A533-F10428F689B4", "versionEndExcluding": "15.4", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "matchCriteriaId": "1E4C3F0C-E368-4F79-B42E-E5EB0FB5E767", "versionEndExcluding": "15.4", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "9060C1B6-F101-46AE-8B08-6D6951304916", "versionEndExcluding": "12.3", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*", "matchCriteriaId": "17C8B971-2F25-4961-B1AF-F4AAB1848990", "versionEndExcluding": "8.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*", "matchCriteriaId": "5722E753-75DE-4944-A11B-556CB299B57D", "versionEndExcluding": "8.2.12", "versionStartIncluding": "8.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*", "matchCriteriaId": "DC0F9351-81A4-4FEA-B6B5-6E960A933D32", "versionEndExcluding": "9.0.6", "versionStartIncluding": "9.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "EED24E67-2957-4C1B-8FEA-E2D2FE7B97FC", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "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)."}, {"lang": "es", "value": "libarchive versiones 3.4.1 hasta 3.5.1, presenta un uso de memoria previamente liberada en la funci\u00f3n copy_string (llamado desde do_uncompress_block y process_block)"}], "id": "CVE-2021-36976", "lastModified": "2025-11-03T22:15:49.807", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "[email protected]", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}]}, "published": "2021-07-20T07:15:07.950", "references": [{"source": "[email protected]", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2022/Mar/27"}, {"source": "[email protected]", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2022/Mar/28"}, {"source": "[email protected]", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2022/Mar/29"}, {"source": "[email protected]", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375"}, {"source": "[email protected]", "tags": ["Third Party Advisory"], "url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libarchive/OSV-2021-557.yaml"}, {"source": "[email protected]", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SE5NJQNM22ZE5Z55LPAGCUHSBQZBKMKC/"}, {"source": "[email protected]", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202208-26"}, {"source": "[email protected]", "tags": ["Third Party Advisory"], "url": "https://support.apple.com/kb/HT213182"}, {"source": "[email protected]", "tags": ["Third Party Advisory"], "url": "https://support.apple.com/kb/HT213183"}, {"source": "[email protected]", "tags": ["Third Party Advisory"], "url": "https://support.apple.com/kb/HT213193"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2022/Mar/27"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2022/Mar/28"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2022/Mar/29"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libarchive/OSV-2021-557.yaml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/11/msg00007.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SE5NJQNM22ZE5Z55LPAGCUHSBQZBKMKC/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202208-26"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://support.apple.com/kb/HT213182"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://support.apple.com/kb/HT213183"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://support.apple.com/kb/HT213193"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "libarchive: use-after-free in copy_string()", "id": "1984646", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1984646"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string (called from do_uncompress_block and process_block).", "A use-after-free flaw was found in libarchive in the copy_string function."], "name": "CVE-2021-36976", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "libarchive", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "libarchive", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "libarchive", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "libarchive", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2021-06-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-36976\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-36976"], "threat_severity": "Moderate"}