CVE-2021-4214

5.5 mediumEPSS 0.5%

Medium (5.5). EPSS 0.5% chance of exploitation in the next 30 days.

A heap overflow flaw was found in libpngs' pngimage.c program. This flaw allows an attacker with local network access to pass a specially crafted PNG file to the pngimage utility, causing an application to crash, leading to a denial of service.

Severity

CVSS 3.1

5.5 medium

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-31)
CWEs: CWE-120, CWE-787
Published: 2022-08-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

debian:debian_linux
libpng:libpng
netapp:ontap_select_deploy_administration_utility

References

https://access.redhat.com/security/cve/CVE-2021-4214
https://bugzilla.redhat.com/show_bug.cgi?id=2043393
https://github.com/glennrp/libpng/issues/302
https://security-tracker.debian.org/tracker/CVE-2021-4214
https://security.netapp.com/advisory/ntap-20221020-0001/

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