| Name | CVE-2021-46244 |
| Description | A Divide By Zero vulnerability exists in HDF5 v1.13.1-1 vis the function H5T__complete_copy () at /hdf5/src/H5T.c. This vulnerability causes an aritmetic exception, leading to a Denial of Service (DoS). |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| hdf5 (PTS) | jessie, jessie (lts) | 1.8.13+docs-15+deb8u1 | vulnerable |
| stretch (lts), stretch | 1.10.0-patch1+docs-3+deb9u2 | vulnerable |
| buster (security), buster, buster (lts) | 1.10.4+repack-10+deb10u1 | vulnerable |
| bullseye | 1.10.6+repack-4+deb11u1 | vulnerable |
| bookworm | 1.10.8+repack1-1 | vulnerable |
| trixie | 1.10.10+repack-5 | vulnerable |
| sid | 1.14.5+repack-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| hdf5 | source | (unstable) | 1.14.5+repack-1 | unimportant | | |
Notes
https://github.com/HDFGroup/hdf5/issues/1327
https://github.com/advisories/GHSA-vrxh-5gxg-rmhm
https://github.com/HDFGroup/hdf5/issues/2242
https://github.com/HDFGroup/hdf5/pull/2243
https://github.com/HDFGroup/hdf5/commit/0b4e9cf976438f0a6df7719518d1b1bb96c2caca
Negligible security impact, malicous scientific data has more issues than a crash...