CVE-2020-21686: 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…

PriorityP420medium5.5CVSS 3.1

AVLACLPRNUIRSUCNINAH

EPSS

0.38%

30.8th percentile

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

6 ranges

Vendor	Product	Version range	Fixed in
debian	nasm	< nasm 2.15.04-1 (bookworm)	nasm 2.15.04-1 (bookworm)
nasm	nasm	>= 0 < 2.15.04-1	2.15.04-1
nasm	nasm	>= 0 < 2.15.04-1	2.15.04-1
nasm	nasm	>= 0 < 2.15.04-1	2.15.04-1
nasm	nasm	>= 0 < 2.15.04-1	2.15.04-1
nasm	netwide_assembler	< 2.15.04	2.15.04

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

osv5.5MEDIUM

vendor_debian5.5MEDIUM

vendor_redhat5.5MEDIUM

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