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Vulnerability details: VCID-1vs6-w7dj-hkge
Vulnerability ID VCID-1vs6-w7dj-hkge
Aliases CVE-2021-4214
Summary libpng: hardcoded value leads to heap-overflow
Status Published
Exploitability 0.5
Weighted Severity 5.0
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 5.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-4214.json
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00056 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00056 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00056 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00056 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00056 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00056 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00076 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00076 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00076 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00076 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00076 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00076 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00076 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2021-4214
cvssv3.1 3.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2021-4214
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-4214.json
https://api.first.org/data/v1/epss?cve=CVE-2021-4214
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4214
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/glennrp/libpng/issues/302
https://security.netapp.com/advisory/ntap-20221020-0001/
2043393 https://bugzilla.redhat.com/show_bug.cgi?id=2043393
cpe:2.3:a:libpng:libpng:1.6.0:-:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:libpng:libpng:1.6.0:-:*:*:*:*:*:*
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
CVE-2021-4214 https://access.redhat.com/security/cve/CVE-2021-4214
CVE-2021-4214 https://nvd.nist.gov/vuln/detail/CVE-2021-4214
CVE-2021-4214 https://security-tracker.debian.org/tracker/CVE-2021-4214
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-2021-4214.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
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-4214
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 0.12151
EPSS Score 0.00043
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T10:35:07.550474+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-4214.json 37.0.0