Vulnerability · Published Aug 22, 2023 · Assigned by mitre
CVE-2020-21426
High 7.8
In plain English
A high-severity security flaw in the freeimage package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.5%top 57.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Buffer Overflow vulnerability in function C_IStream::read in PluginEXR.cpp in FreeImage 3.18.0 allows remote attackers to run arbitrary code and cause other impacts via crafted image file.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | freeimage | no fix listed | DEBIAN-CVE-2020-21426 |
| Debian:13 | freeimage | no fix listed | DEBIAN-CVE-2020-21426 |
| Ubuntu:22.04:LTS | freeimage | no fix listed | UBUNTU-CVE-2020-21426 |
| Ubuntu:24.04:LTS | freeimage | no fix listed | UBUNTU-CVE-2020-21426 |
| Ubuntu:25.10 | freeimage | no fix listed | UBUNTU-CVE-2020-21426 |
| Ubuntu:26.04:LTS | freeimage | no fix listed | UBUNTU-CVE-2020-21426 |
| Ubuntu:26.10 | freeimage | no fix listed | UBUNTU-CVE-2020-21426 |
Affected products (as reported)
References
- https://sourceforge.net/p/freeimage/bugs/300/
- FEDORA-2023-a8b26b910d vendor-advisory
- FEDORA-2023-2840932fa8 vendor-advisory