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    CVE-2023-38667

    Stack-based buffer over-read in function disasm in nasm 2.16 allows attackers to cause a denial of service.

    Published:Sep 21, 2022
    Last Modified:Nov 21, 2024
    EPS:Aug 22, 2023
    EPSS Score:0.00025
    CVSS Score:5.5

    Affected Products

    Vendor
    Nasm
    Product
    Netwide Assembler

    Exploits

    https://bugzilla.nasm.us/show_bug.cgi?id=3392812https://bugzilla.nasm.us/show_bug.cgi?id=3392812

    Related CVEs

    CVE-2026-6069 (CVSS 7.5) — NASM’s disasm() function contains a stack based buffer overflow when formatting disassembly output, allowing a…
    CVE-2026-6068 (CVSS 9.6) — NASM contains a heap use after free vulnerability in response file (-@) processing where a dangling pointer to…
    CVE-2026-6067 (CVSS 5.5) — A heap buffer overflow vulnerability exists in the Netwide Assembler (NASM) due to a lack of bounds checking i…
    CVE-2025-8846 (CVSS 1.9) — A vulnerability has been found in NASM Netwide Assember 2.17rc0. Affected is the function parse_line of the fi…
    CVE-2025-8845 (CVSS 1.9) — A vulnerability was identified in NASM Netwide Assember 2.17rc0. This issue affects the function assemble_file…
    CVE-2025-8844 (CVSS 1.9) — A vulnerability was determined in NASM Netwide Assember 2.17rc0. This vulnerability affects the function parse…
    CVE-2025-8843 (CVSS 1.9) — A vulnerability was found in NASM Netwide Assember 2.17rc0. This affects the function macho_no_dead_strip of t…
    CVE-2025-8842 (CVSS 1.9) — A vulnerability has been found in NASM Netwide Assember 2.17rc0. Affected by this issue is the function do_dir…
    CVE-2023-31722 (CVSS 7.8) — There exists a heap buffer overflow in nasm 2.16.02rc1 (GitHub commit: b952891).…
    CVE-2022-44368 (CVSS 5.5) — NASM v2.16 was discovered to contain a null pointer deference in the NASM component…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High