Vulnerability · Published Aug 23, 2022 · Assigned by redhat
CVE-2020-35511
High 7.8
In plain English
A high-severity security flaw in pngcheck. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.4%top 70.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A global buffer overflow was discovered in pngcheck function in pngcheck-2.4.0(5 patches applied) via a crafted png file.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | pngcheck | 3.0.2-2 | DEBIAN-CVE-2020-35511 |
| Debian:13 | pngcheck | 3.0.2-2 | DEBIAN-CVE-2020-35511 |
| Debian:14 | pngcheck | 3.0.2-2 | DEBIAN-CVE-2020-35511 |
| Ubuntu:24.04:LTS | pngcheck | no fix listed | UBUNTU-CVE-2020-35511 |
| Ubuntu:25.10 | pngcheck | no fix listed | UBUNTU-CVE-2020-35511 |
| Ubuntu:26.04:LTS | pngcheck | no fix listed | UBUNTU-CVE-2020-35511 |
| Ubuntu:26.10 | pngcheck | no fix listed | UBUNTU-CVE-2020-35511 |
Affected products (as reported)
Weakness: CWE-126