CVE-2021-33646

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{}

{"affected": [{"affectedData": [{"product": "libtar", "vendor": "n/a", "versions": [{"status": "affected", "version": "<1.2.21"}]}], "source": "securities@openeuler.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:feep:libtar:*:*:*:*:*:*:*:*", "matchCriteriaId": "9FB33CE5-5B11-49D2-9277-67E941584A35", "versionEndExcluding": "1.2.21", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:openatom:openeuler:20.03:sp1:*:*:lts:*:*:*", "matchCriteriaId": "464D2E5A-0D36-4893-85A4-2267AE0333DE", "vulnerable": true}, {"criteria": "cpe:2.3:o:openatom:openeuler:20.03:sp3:*:*:lts:*:*:*", "matchCriteriaId": "A98D36A4-869D-4F90-9434-599915671828", "vulnerable": true}, {"criteria": "cpe:2.3:o:openatom:openeuler:22.03:*:*:*:lts:*:*:*", "matchCriteriaId": "5975B9D2-6A0F-43DE-806E-C8FC6D152EF6", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*", "matchCriteriaId": "5C675112-476C-4D7C-BCB9-A2FB2D0BC9FD", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*", "matchCriteriaId": "E30D0E6F-4AE8-4284-8716-991DFA48CC5D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The th_read() function doesn\u2019t free a variable t->th_buf.gnu_longname after allocating memory, which may cause a memory leak."}, {"lang": "es", "value": "La funci\u00f3n th_read() no libera una variable t-)th_buf.gnu_longname despu\u00e9s de asignar memoria, lo que puede causar una p\u00e9rdida de memoria"}], "id": "CVE-2021-33646", "lastModified": "2026-06-17T03:54:57.407", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-08-10T20:15:20.637", "references": [{"source": "securities@openeuler.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4S4PJRCJLEAWN2EKXGLSOBTL7O57V7NC/"}, {"source": "securities@openeuler.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5YSHZY753R7XW6CIKJVAWI373WW3YRRJ/"}, {"source": "securities@openeuler.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7Q26QDNOJDOFYWMJWEIK5XR62M2FF6IJ/"}, {"source": "securities@openeuler.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WX5YE66CT7Y5C2HTHXSFDKQWYWYWJ2T/"}, {"source": "securities@openeuler.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OD4HEBSTI22FNYKOKK7W3X6ZQE6FV3XC/"}, {"source": "securities@openeuler.org", "tags": ["Third Party Advisory"], "url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1807"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00026.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4S4PJRCJLEAWN2EKXGLSOBTL7O57V7NC/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5YSHZY753R7XW6CIKJVAWI373WW3YRRJ/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7Q26QDNOJDOFYWMJWEIK5XR62M2FF6IJ/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WX5YE66CT7Y5C2HTHXSFDKQWYWYWJ2T/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OD4HEBSTI22FNYKOKK7W3X6ZQE6FV3XC/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1807"}], "sourceIdentifier": "securities@openeuler.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "securities@openeuler.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2023:2898", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "libtar-0:1.2.20-17.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-05-16T00:00:00Z"}], "bugzilla": {"description": "libtar: memory leak found in th_read() function", "id": "2121297", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2121297"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-401", "details": ["The th_read() function doesn\u2019t free a variable t->th_buf.gnu_longname after allocating memory, which may cause a memory leak.", "A flaw was found in libtar. This security vulnerability occurs because the th_read() function in libtar doesn\u2019t free a variable t->th_buf.gnu_longname after allocating memory, which may cause a memory leak."], "name": "CVE-2021-33646", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "libtar", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "libtar", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2022-08-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-33646\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-33646\nhttps://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1807"], "threat_severity": "Moderate"}

{}