Vulnerability · Published Jan 21, 2022 · Assigned by mitre
CVE-2021-46243
Medium 6.5
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 1.0% (higher than 62% of all known vulnerabilities).
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)1.0%top 38.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An untrusted pointer dereference vulnerability exists in HDF5 v1.13.1-1 via the function H5O__dtype_decode_helper () at hdf5/src/H5Odtype.c. This vulnerability can lead to a Denial of Service (DoS).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | hdf5 | no fix listed | DEBIAN-CVE-2021-46243 |
| Debian:13 | hdf5 | no fix listed | DEBIAN-CVE-2021-46243 |
| Debian:14 | hdf5 | no fix listed | DEBIAN-CVE-2021-46243 |
| Ubuntu:22.04:LTS | hdf5 | no fix listed | UBUNTU-CVE-2021-46243 |
| Ubuntu:24.04:LTS | hdf5 | no fix listed | UBUNTU-CVE-2021-46243 |
| Ubuntu:25.10 | kissplice | no fix listed | UBUNTU-CVE-2021-46243 |
| Ubuntu:26.04:LTS | kissplice | no fix listed | UBUNTU-CVE-2021-46243 |
| Ubuntu:26.10 | kissplice | no fix listed | UBUNTU-CVE-2021-46243 |
| Ubuntu:22.04:LTS | paraview | no fix listed | UBUNTU-CVE-2021-46243 |
| Ubuntu:24.04:LTS | paraview | no fix listed | UBUNTU-CVE-2021-46243 |
| Ubuntu:25.10 | paraview | no fix listed | UBUNTU-CVE-2021-46243 |
| Ubuntu:26.04:LTS | paraview | no fix listed | UBUNTU-CVE-2021-46243 |
| Ubuntu:26.10 | paraview | no fix listed | UBUNTU-CVE-2021-46243 |
| Ubuntu:25.10 | xdmf | no fix listed | UBUNTU-CVE-2021-46243 |
| Ubuntu:26.10 | xdmf | no fix listed | UBUNTU-CVE-2021-46243 |
Affected products (as reported)
References
- https://github.com/HDFGroup/hdf5/issues/1326 x_refsource_MISC