CVE Vulnerabilities

CVE-2020-21686

Published: Aug 22, 2023 | Modified: Aug 25, 2023

CVSS 3.x

5.5

MEDIUM

Source:

NVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS 2.x

RedHat/V2

RedHat/V3

5.5 LOW

Ubuntu

MEDIUM

Additional information

NVD	https://nvd.nist.gov/vuln/detail/CVE-2020-21686
CWE	https://cwe.mitre.org/data/definitions/NVD-Other.html

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 Software

Name	Vendor	Start Version	End Version
Netwide_assembler	Nasm	*	2.15.04 (excluding)
Nasm	Ubuntu	bionic	*
Nasm	Ubuntu	lunar	*
Nasm	Ubuntu	mantic	*
Nasm	Ubuntu	trusty	*
Nasm	Ubuntu	xenial	*

References

https://bugzilla.nasm.us/show_bug.cgi?id=3392643

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