CVE-2020-21686

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Source
https://cve.org/CVERecord?id=CVE-2020-21686
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-21686.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-21686
Downstream
Published
2023-08-22T19:16:14.327Z
Modified
2026-09-02T08:09:20.217070Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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

References

Affected packages

Git / github.com/netwide-assembler/nasm

Affected ranges

Type
GIT
Repo
https://github.com/netwide-assembler/nasm
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
77a462b789959390c06970682fdf8e11eb073c13
Database specific
Show details 
{
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:nasm:netwide_assembler:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.15.04"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-21686.json"