CVE-2020-18494 Memory corruption in n/a
Remote attackers can execute arbitrary code by tricking users into opening a crafted file with the HDF5 library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-18494?
CVE-2020-18494 is a high-severity memory corruption vulnerability in Hdfgroup Hdf5, published on 22 Aug 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Buffer Overflow vulnerability in function H5S_close in H5S.c in HDF5 1.10.4 allows remote attackers to run arbitrary code via creation of crafted file.
Weakness: CWE-787
Which versions are affected by CVE-2020-18494?
It affects 1 product.
Products include Hdfgroup Hdf5.
How do I fix CVE-2020-18494?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-18494 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-18494 exists.
Other vulnerabilities in Hdfgroup Hdf5
Sources
Also known as DEBIAN-CVE-2020-18494, ECHO-f965-fac9-4c37, GHSA-g48j-g3ph-v49c, UBUNTU-CVE-2020-18494.