CVE-2018-17233

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-09-20 · updated 2026-06-17
Weakness: CWE-369

Description

A SIGFPE signal is raised in the function H5D__create_chunk_file_map_hyper() of H5Dchunk.c in the HDF HDF5 through 1.10.3 library during an attempted parse of a crafted HDF file, because of incorrect protection against division by zero. It could allow a remote denial of service attack.

Affected products

HDF5: through 1.10.3

References

https://github.com/SegfaultMasters/covering360/tree/master/HDF5/vuln2#divided-by-zero---h5d__create_chunk_file_map_hyper_div_zero
https://lists.debian.org/debian-lts-announce/2023/08/msg00009.html
https://github.com/SegfaultMasters/covering360/tree/master/HDF5/vuln2#divided-by-zero---h5d__create_chunk_file_map_hyper_div_zero
https://lists.debian.org/debian-lts-announce/2023/08/msg00009.html

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