CVE-2020-21686

nasm: stack-use-after-scope in expand_mmac_params() in preproc.c

Published Aug 22, 2023 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2020-14454 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.
History
Type Values Removed Values Added
Weaknesses CWE-562
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 7, 2024, 3:09 PM
Reserved
Aug 13, 2020, 12:00 AM
Status
Modified
Published
Aug 22, 2023, 7:16 PM
Modified
Jun 17, 2026, 3:03 AM
Severity
Low
Public date
Jan 6, 2020, 12:00 AM