{"api_version":"1","generated_at":"2026-07-23T13:25:40+00:00","cve":"CVE-2021-30499","urls":{"html":"https://cve.report/CVE-2021-30499","api":"https://cve.report/api/cve/CVE-2021-30499.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-30499","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-30499"},"summary":{"title":"CVE-2021-30499","description":"A flaw was found in libcaca. A buffer overflow of export.c in function export_troff might lead to memory corruption and other potential consequences.","state":"PUBLIC","assigner":"secalert@redhat.com","published_at":"2021-05-27 00:15:00","updated_at":"2023-02-12 22:15:00"},"problem_types":["CWE-119"],"metrics":[],"references":[{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PC7EGOEQ5C4OD66ZUJJIIYEXBTZOCMZX/","name":"FEDORA-2022-e3b9986722","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 34 Update: libcaca-0.99-0.59.beta20.fc34 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6WFGYICNTMNDNMDDUV4G2RYFB5HNJCOV/","name":"FEDORA-2022-fc6b53e7a2","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 35 Update: libcaca-0.99-0.59.beta20.fc35 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZSBCRN6EGQJUVOSD4OEEQ6XORHEM2CUL/","name":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZSBCRN6EGQJUVOSD4OEEQ6XORHEM2CUL/","refsource":"MISC","tags":[],"title":"[SECURITY] Fedora 36 Update: libcaca-0.99-0.59.beta20.fc36 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1948679","name":"https://bugzilla.redhat.com/show_bug.cgi?id=1948679","refsource":"MISC","tags":[],"title":"1948679 – (CVE-2021-30499) CVE-2021-30499 libcaca: Global buffer overflow of export.c in function export_troff","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZSBCRN6EGQJUVOSD4OEEQ6XORHEM2CUL/","name":"FEDORA-2022-3d291845d8","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 36 Update: libcaca-0.99-0.59.beta20.fc36 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6WFGYICNTMNDNMDDUV4G2RYFB5HNJCOV/","name":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6WFGYICNTMNDNMDDUV4G2RYFB5HNJCOV/","refsource":"MISC","tags":[],"title":"[SECURITY] Fedora 35 Update: libcaca-0.99-0.59.beta20.fc35 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PC7EGOEQ5C4OD66ZUJJIIYEXBTZOCMZX/","name":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PC7EGOEQ5C4OD66ZUJJIIYEXBTZOCMZX/","refsource":"MISC","tags":[],"title":"[SECURITY] Fedora 34 Update: libcaca-0.99-0.59.beta20.fc34 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/cacalabs/libcaca/issues/54","name":"https://github.com/cacalabs/libcaca/issues/54","refsource":"MISC","tags":[],"title":"[Security] global-buffer-overflow of export.c in function export_troff · Issue #54 · cacalabs/libcaca · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-30499","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-30499","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"30499","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"34","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"30499","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":"30499","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"36","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"30499","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"libcaca_project","cpe5":"libcaca","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2021-30499","qid":"182830","title":"Debian Security Update for libcaca (CVE-2021-30499)"},{"cve":"CVE-2021-30499","qid":"198545","title":"Ubuntu Security Notification for libcaca Vulnerabilities (USN-5119-1)"},{"cve":"CVE-2021-30499","qid":"282517","title":"Fedora Security Update for libcaca (FEDORA-2022-fc6b53e7a2)"},{"cve":"CVE-2021-30499","qid":"282518","title":"Fedora Security Update for libcaca (FEDORA-2022-e3b9986722)"},{"cve":"CVE-2021-30499","qid":"502107","title":"Alpine Linux Security Update for libcaca"},{"cve":"CVE-2021-30499","qid":"6000561","title":"Debian Security Update for libcaca (DLA 3784-1)"},{"cve":"CVE-2021-30499","qid":"751834","title":"SUSE Enterprise Linux Security Update for libcaca (SUSE-SU-2022:0754-1)"},{"cve":"CVE-2021-30499","qid":"751842","title":"SUSE Enterprise Linux Security Update for libcaca (SUSE-SU-2022:0769-1)"},{"cve":"CVE-2021-30499","qid":"751848","title":"OpenSUSE Security Update for libcaca (openSUSE-SU-2022:0769-1)"},{"cve":"CVE-2021-30499","qid":"751866","title":"SUSE Enterprise Linux Security Update for libcaca (SUSE-SU-2022:0820-1)"},{"cve":"CVE-2021-30499","qid":"753261","title":"SUSE Enterprise Linux Security Update for libcaca (SUSE-SU-2022:14909-1)"}]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2021-30499","ASSIGNER":"secalert@redhat.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"A flaw was found in libcaca. A buffer overflow of export.c in function export_troff might lead to memory corruption and other potential consequences."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-119","cweId":"CWE-119"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"libcaca","version":{"version_data":[{"version_affected":"=","version_value":"master"}]}}]}}]}},"references":{"reference_data":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1948679","refsource":"MISC","name":"https://bugzilla.redhat.com/show_bug.cgi?id=1948679"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6WFGYICNTMNDNMDDUV4G2RYFB5HNJCOV/","refsource":"MISC","name":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6WFGYICNTMNDNMDDUV4G2RYFB5HNJCOV/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PC7EGOEQ5C4OD66ZUJJIIYEXBTZOCMZX/","refsource":"MISC","name":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PC7EGOEQ5C4OD66ZUJJIIYEXBTZOCMZX/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZSBCRN6EGQJUVOSD4OEEQ6XORHEM2CUL/","refsource":"MISC","name":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZSBCRN6EGQJUVOSD4OEEQ6XORHEM2CUL/"},{"url":"https://github.com/cacalabs/libcaca/issues/54","refsource":"MISC","name":"https://github.com/cacalabs/libcaca/issues/54"}]}},"nvd":{"publishedDate":"2021-05-27 00:15:00","lastModifiedDate":"2023-02-12 22:15:00","problem_types":["CWE-119"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":6.8},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":6.4,"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:libcaca_project:libcaca:-:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"30499","Ordinal":"205765","Title":"CVE-2021-30499","CVE":"CVE-2021-30499","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"30499","Ordinal":"1","NoteData":"A flaw was found in libcaca. A buffer overflow of export.c in function export_troff might lead to memory corruption and other potential consequences.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"30499","Ordinal":"2","NoteData":"2021-05-26","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"30499","Ordinal":"3","NoteData":"2021-05-26","Type":"Other","Title":"Modified"}]}}}