Medium severity · published Aug 24, 2022
CVE-2021-4214
A heap overflow flaw was found in libpngs' pngimage.c program
5.5
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
10.0; 11.0 · source: NVD
LI
Libpng · Libpng
1.6.0 · source: NVD
OS
Ontap Select Deploy Administration Utility · Netapp
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-4214
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-4214
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2021-4214
Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=2043393
Exploit
https://github.com/glennrp/libpng/issues/302
Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2021-4214
Third Party Advisory
https://security.netapp.com/advisory/ntap-20221020-0001/
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