CVE-2020-21426 Memory corruption in n/a
Remote attackers can execute arbitrary code or cause denial of service via a crafted image file exploiting a buffer overflow in the FreeImage library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-21426?
CVE-2020-21426 is a high-severity memory corruption vulnerability in Freeimage Project Freeimage, published on 22 Aug 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
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.
Weakness: CWE-120
Which versions are affected by CVE-2020-21426?
It affects 1 product.
Products include Freeimage Project Freeimage.
How do I fix CVE-2020-21426?
No fix has been published for CVE-2020-21426 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-21426 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-21426 exists.
Other vulnerabilities in Freeimage Project Freeimage
Sources
Also known as DEBIAN-CVE-2020-21426, GHSA-cwpj-jqfc-p782, UBUNTU-CVE-2020-21426.