{"id":"CVE-2021-36976","state":"PUBLISHED","title":"libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string (called from do_uncompress_block and process_block).","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).","publishedAt":"2021-07-20T06:49:15.000Z","updatedAt":"2025-11-03T21:45:04.640Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libarchive/OSV-2021-557.yaml","https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SE5NJQNM22ZE5Z55LPAGCUHSBQZBKMKC/","https://support.apple.com/kb/HT213183","https://support.apple.com/kb/HT213182","https://support.apple.com/kb/HT213193","http://seclists.org/fulldisclosure/2022/Mar/28","http://seclists.org/fulldisclosure/2022/Mar/29","http://seclists.org/fulldisclosure/2022/Mar/27","https://security.gentoo.org/glsa/202208-26","https://lists.debian.org/debian-lts-announce/2024/11/msg00007.html"],"weaknesses":[],"ingestedAt":"2026-10-29T19:48:44.655Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/36xxx/CVE-2021-36976.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-36976","state":"PUBLISHED","datePublished":"2021-07-20T06:49:15.000Z","dateUpdated":"2025-11-03T21:45:04.640Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2021-07-20T00:00:00.000Z"},"containers":{"cna":{"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)."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"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","tags":["x_refsource_MISC"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SE5NJQNM22ZE5Z55LPAGCUHSBQZBKMKC/","name":"FEDORA-2022-9bb794c5f5","tags":["vendor-advisory","x_refsource_FEDORA"]},{"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","tags":["x_refsource_CONFIRM"]},{"url":"http://seclists.org/fulldisclosure/2022/Mar/28","name":"20220314 APPLE-SA-2022-03-14-2 watchOS 8.5","tags":["mailing-list","x_refsource_FULLDISC"]},{"url":"http://seclists.org/fulldisclosure/2022/Mar/29","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/27","name":"20220314 APPLE-SA-2022-03-14-1 iOS 15.4 and iPadOS 15.4","tags":["mailing-list","x_refsource_FULLDISC"]},{"url":"https://security.gentoo.org/glsa/202208-26","name":"GLSA-202208-26","tags":["vendor-advisory","x_refsource_GENTOO"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2022-08-14T19:07:49.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"x_legacyV4Record":{"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":[{"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/package-announce@lists.fedoraproject.org/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":[{"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","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SE5NJQNM22ZE5Z55LPAGCUHSBQZBKMKC/","name":"FEDORA-2022-9bb794c5f5","tags":["vendor-advisory","x_refsource_FEDORA","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","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://seclists.org/fulldisclosure/2022/Mar/28","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/29","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/27","name":"20220314 APPLE-SA-2022-03-14-1 iOS 15.4 and iPadOS 15.4","tags":["mailing-list","x_refsource_FULLDISC","x_transferred"]},{"url":"https://security.gentoo.org/glsa/202208-26","name":"GLSA-202208-26","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/11/msg00007.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T21:45:04.640Z"}}]}}}