Home/CVE/A heap overflow flaw was found in libpngs' pngimage.c program. This flaw allows an attacker with local network access to
CVE

CVE-2021-4214

A heap overflow flaw was found in libpngs' pngimage.c program. This flaw allows an attacker with local network access to

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.

MEDIUM · CVSS 5.5 EPSS 0.0013
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

3
libpngall versions
debian linuxall versions
netapp ontap select deploy administration utilityall versions
⚠

Public Exploits & PoCs

2
pocbugzilla.redhat.com · show_bug.cgi?id=2043393bugzilla.redhat.com
pocgithub.com · issues/302github.com
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Aug 2022 · 04:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://access.redhat.com/security/cve/CVE-2021-4214Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2021-4214Third Party Advisory
https://security.netapp.com/advisory/ntap-20221020-0001/Third Party Advisory
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