Vulnerability · Published Feb 3, 2023 · Assigned by mitre
CVE-2021-37501
High 7.5
In plain English
A high-severity out-of-bounds write 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 1.5% (higher than 75% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.5%top 24.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Buffer Overflow vulnerability in HDFGroup hdf5-h5dump 1.12.0 through 1.13.0 allows attackers to cause a denial of service via h5tools_str_sprint in /hdf5/tools/lib/h5tools_str.c.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | hdf5 | no fix listed | DEBIAN-CVE-2021-37501 |
| Debian:13 | hdf5 | 1.14.5+repack-1 | DEBIAN-CVE-2021-37501 |
| Debian:14 | hdf5 | 1.14.5+repack-1 | DEBIAN-CVE-2021-37501 |
| Ubuntu:22.04:LTS | hdf5 | no fix listed | UBUNTU-CVE-2021-37501 |
Affected products (as reported)
Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H