High severity · published Aug 23, 2022
CVE-2020-35511
A global buffer overflow was discovered in pngcheck function in pngcheck-2.4.0(5 patches applied) via a crafted png file
7.8
CVSS
0.4%
EPSS
No
On KEV
Description
A global buffer overflow was discovered in pngcheck function in pngcheck-2.4.0(5 patches applied) via a crafted png file.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% 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
PN
Pngcheck · Libpng
2.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-35511
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-35511
Third Party Advisory
http://www.libpng.org/pub/png/apps/pngcheck.html
Mailing List
https://lists.debian.org/debian-lts-announce/2022/12/msg00024.html
Third Party Advisory
https://www.debian.org/security/2022/dsa-5300
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