What’s Vulnerable › Vulnerabilities

CVE-2018-17437

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-09-24 · updated 2026-06-17
• Weakness: CWE-772

Description

Memory leak in the H5O_dtype_decode_helper() function in H5Odtype.c in the HDF HDF5 through 1.10.3 library allows attackers to cause a denial of service (memory consumption) via a crafted HDF5 file.

Affected products

• HDF5: through 1.10.3

References

• https://github.com/SegfaultMasters/covering360/tree/master/HDF5/vuln5#memory-leak-in-h5o_dtype_decode_helper
• https://lists.debian.org/debian-lts-announce/2023/08/msg00009.html
• https://github.com/SegfaultMasters/covering360/tree/master/HDF5/vuln5#memory-leak-in-h5o_dtype_decode_helper
• https://lists.debian.org/debian-lts-announce/2023/08/msg00009.html

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