What’s Vulnerable › Vulnerabilities

CVE-2021-45830

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-01-05 · updated 2026-06-17
• Weakness: CWE-787

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 products

• HDF5: 1.13.1-1

References

• https://github.com/HDFGroup/hdf5/issues/1314
• https://github.com/HDFGroup/hdf5/issues/1314

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