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{"bugzilla": {"description": "nasm: Infinite loop via the paste_tokens function", "id": "2035087", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2035087"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-835", "details": ["An infinite loop vulnerability exists in nasm 2.16rc0 via the gpaste_tokens function.", "An infinite loop flaw was found in nasm's preproc.c via paste_tokens() function. An attacker with local network access could pass a specially crafted unknown input causing an application to halt or crash leading to a denial of service."], "name": "CVE-2021-45257", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "nasm", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "nasm", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "nasm", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "nasm", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2021-12-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-45257\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-45257"], "statement": "This issue does not affect the versions of NASM shipped with Red Hat Enterprise Linux 6 and 7, as they do not include the vulnerable code in their source code.\nThe version of NASM shipped with Red Hat Enterprise Linux 8 is marked as won't fix because it is low priority flaw and real (non-malicious) assembler source code will never run into this problem.", "threat_severity": "Low"}