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    CVE-2023-49555

    An issue in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via the expand_smacro function in the modules/preprocs/nasm/nasm-pp.c component.

    Published:Jan 2, 2024
    Last Modified:Jun 17, 2025
    EPS:Jan 2, 2024
    EPSS Score:0.0043
    CVSS Score:5.5

    Affected Products

    Vendor
    Yasm Project
    Product
    Yasm

    Exploits

    https://github.com/yasm/yasm/issues/248https://github.com/yasm/yasm/issues/248

    Related CVEs

    CVE-2024-22653 (CVSS 4.8) — yasm commit 9defefae was discovered to contain a NULL pointer dereference via the yasm_section_bcs_append func…
    CVE-2023-49556 (CVSS 5.5) — Buffer Overflow vulnerability in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via…
    CVE-2023-49557 (CVSS 5.5) — An issue in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via the yasm_section_bcs…
    CVE-2023-49554 (CVSS 5.5) — Use After Free vulnerability in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via …
    CVE-2023-49558 (CVSS 5.5) — An issue in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via the expand_mmac_para…
    CVE-2023-37732 (CVSS 5.5) — Yasm v1.3.0.78 was found prone to NULL Pointer Dereference in /libyasm/intnum.c and /elf/elf.c, which allows t…
    CVE-2023-31723 (CVSS 5.5) — yasm 1.3.0.55.g101bc was discovered to contain a segmentation violation via the function expand_mmac_params at…
    CVE-2023-31724 (CVSS 7.8) — yasm 1.3.0.55.g101bc was discovered to contain a segmentation violation via the function do_directive at /nasm…
    CVE-2023-31725 (CVSS 5.5) — yasm 1.3.0.55.g101bc was discovered to contain a heap-use-after-free via the function expand_mmac_params at ya…
    CVE-2023-31975 (CVSS 3.3) — yasm v1.3.0 was discovered to contain a memory leak via the function yasm_intnum_copy at /libyasm/intnum.c. No…

    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