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{"affected_release": [{"advisory": "RHSA-2023:0116", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "libtasn1-0:4.13-4.el8_7", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-01-12T00:00:00Z"}, {"advisory": "RHSA-2023:0116", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "libtasn1-0:4.13-4.el8_7", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-01-12T00:00:00Z"}, {"advisory": "RHSA-2024:0427", "cpe": "cpe:/a:redhat:rhel_eus:8.6", "package": "libtasn1-0:4.13-3.el8_6.1", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2024-01-25T00:00:00Z"}, {"advisory": "RHSA-2023:0343", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "libtasn1-0:4.16.0-8.el9_1", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-01-23T00:00:00Z"}, {"advisory": "RHSA-2023:0343", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "libtasn1-0:4.16.0-8.el9_1", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-01-23T00:00:00Z"}], "bugzilla": {"description": "libtasn1: Out-of-bound access in ETYPE_OK", "id": "2140058", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2140058"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-193->CWE-125", "details": ["GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der.", "An out-of-bounds read flaw was found in Libtasn1 due to an ETYPE_OK off-by-one error in the asn1_encode_simple_der() function. This flaw allows a remote attacker to pass specially crafted data or invalid values to the application, triggering an off-by-one error, corrupting the memory, and possibly performing a denial of service (DoS) attack."], "name": "CVE-2021-46848", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "libtasn1", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "libtasn1", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Will not fix", "package_name": "libtasn1", "product_name": "Red Hat Satellite 6"}], "public_date": "2022-10-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-46848\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-46848"], "statement": "This flaw enables access to one additional memory byte, significantly constraining the potential damage an attacker could inflict. For this reason it is rated as having a Moderate impact to Red Hat Offerings.", "threat_severity": "Moderate", "upstream_fix": "libtasn1 4.19.0"}