# CVE-2021-45830: hdf5: A heap-based buffer overflow vulnerability exists in HDF5 1.13.1-1 via H5F_addr_decode_len in /hdf5/src/H5Fint.c, whi...

CVE-2021-45830 is fixed in hdf5 on 1 platform, first by DEBIAN-CVE-2021-45830, released January 5, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2021-45830
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0072
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 5, 2022

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | hdf5 Debian 13.5 (trixie) | 1.14.5+repack-1 | [DEBIAN-CVE-2021-45830](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45830.md) | Jan 5, 2022 |
| Linux | hdf5 Debian 14 | 1.14.5+repack-1 | [DEBIAN-CVE-2021-45830](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45830.md) | Jan 5, 2022 |

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