Vulnerability · Published Jan 5, 2022 · Assigned by mitre
CVE-2021-45830
Medium 5.5
In plain English
A medium-severity security flaw in the hdf5 package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.7%top 45.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A heap-based buffer overflow vulnerability exists in HDF5 1.13.1-1 via H5F_addr_decode_len in /hdf5/src/H5Fint.c, which could cause a Denial of Service.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | hdf5 | no fix listed | DEBIAN-CVE-2021-45830 |
| Debian:13 | hdf5 | 1.14.5+repack-1 | DEBIAN-CVE-2021-45830 |
| Debian:14 | hdf5 | 1.14.5+repack-1 | DEBIAN-CVE-2021-45830 |
| Ubuntu:22.04:LTS | hdf5 | no fix listed | UBUNTU-CVE-2021-45830 |
| Ubuntu:24.04:LTS | hdf5 | no fix listed | UBUNTU-CVE-2021-45830 |
| Ubuntu:22.04:LTS | insighttoolkit5 | no fix listed | UBUNTU-CVE-2021-45830 |
| Ubuntu:24.04:LTS | insighttoolkit5 | no fix listed | UBUNTU-CVE-2021-45830 |
| Ubuntu:25.10 | insighttoolkit5 | no fix listed | UBUNTU-CVE-2021-45830 |
| Ubuntu:26.04:LTS | insighttoolkit5 | no fix listed | UBUNTU-CVE-2021-45830 |
| Ubuntu:26.10 | insighttoolkit5 | no fix listed | UBUNTU-CVE-2021-45830 |
| Ubuntu:22.04:LTS | paraview | no fix listed | UBUNTU-CVE-2021-45830 |
| Ubuntu:24.04:LTS | paraview | no fix listed | UBUNTU-CVE-2021-45830 |
| Ubuntu:25.10 | paraview | no fix listed | UBUNTU-CVE-2021-45830 |
| Ubuntu:26.04:LTS | paraview | no fix listed | UBUNTU-CVE-2021-45830 |
| Ubuntu:26.10 | paraview | no fix listed | UBUNTU-CVE-2021-45830 |
Affected products (as reported)
References
- https://github.com/HDFGroup/hdf5/issues/1314 x_refsource_MISC