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Vulnerability details: VCID-4hpr-3pe3-e3ak
Vulnerability ID VCID-4hpr-3pe3-e3ak
Aliases CVE-2020-21528
Summary A Segmentation Fault issue discovered in in ieee_segment function in outieee.c in nasm 2.14.03 and 2.15 allows remote attackers to cause a denial of service via crafted assembly file.
Status Published
Exploitability 0.5
Weighted Severity 5.0
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-476 NULL Pointer Dereference
System Score Found at
cvssv3 5.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-21528.json
epss 0.00481 https://api.first.org/data/v1/epss?cve=CVE-2020-21528
epss 0.00481 https://api.first.org/data/v1/epss?cve=CVE-2020-21528
cvssv3.1 3.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-21528.json
https://api.first.org/data/v1/epss?cve=CVE-2020-21528
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21528
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2234914 https://bugzilla.redhat.com/show_bug.cgi?id=2234914
GLSA-202312-09 https://security.gentoo.org/glsa/202312-09
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-21528.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.65465
EPSS Score 0.00481
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T17:03:23.350452+00:00 Debian Importer Import https://security-tracker.debian.org/tracker/data/json 38.6.0