CVE-2021-33640

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{"bugzilla": {"description": "libtar: fixes for CVE-2021-33645 and CVE-2021-33646 introduced new use-after-free bugs in libtar", "id": "2143012", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2143012"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.2", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["After tar_close(), libtar.c releases the memory pointed to by pointer t. After tar_close() is called in the list() function, it continues to use pointer t: free_longlink_longname(t->th_buf) . As a result, the released memory is used (use-after-free)."], "name": "CVE-2021-33640", "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"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "libtar", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2022-12-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-33640\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-33640\nhttps://www.openeuler.org/en/security/safety-bulletin/detail/?id=openEuler-SA-2022-2129"], "threat_severity": "Moderate"}

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