Vulnerability · Published Aug 22, 2023 · Assigned by mitre
CVE-2020-18494
High 8.8
In plain English
A high-severity security flaw in the hdf5 package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).
Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.0%top 36.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | hdf5 | no fix listed | DEBIAN-CVE-2020-18494 |
| Debian:13 | hdf5 | no fix listed | DEBIAN-CVE-2020-18494 |
| Debian:14 | hdf5 | no fix listed | DEBIAN-CVE-2020-18494 |
| Ubuntu:22.04:LTS | hdf5 | no fix listed | UBUNTU-CVE-2020-18494 |
| Ubuntu:24.04:LTS | hdf5 | no fix listed | UBUNTU-CVE-2020-18494 |