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Medium severity5.5NVD Advisory· Published Aug 22, 2023· Updated Jun 17, 2026

CVE-2020-21686

CVE-2020-21686

Description

A stack-use-after-scope issue discovered in expand_mmac_params function in preproc.c in nasm before 2.15.04 allows remote attackers to cause a denial of service via crafted asm file.

Affected products

3
  • Nasm/NASMllm-fuzzy2 versions
    <2.15.04+ 1 more
    • (no CPE)range: <2.15.04
    • (no CPE)
  • Nasm/Netwide Assembler
    cpe:2.3:a:nasm:netwide_assembler:*:*:*:*:*:*:*:*
    Range: <2.15.04

Patches

Vulnerability mechanics

References

1

News mentions

0

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