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CVE-2018-13873

An issue was discovered in the HDF HDF5 1.8.20 library. There is a buffer over-read in...

9.8 Critical

An issue was discovered in the HDF HDF5 1.8.20 library. There is a buffer over-read in H5O_chunk_deserialize in H5Ocache.c.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.85%Up 1.4 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

An issue was discovered in the HDF HDF5 1.8.20 library. There is a buffer over-read in H5O_chunk_deserialize in H5Ocache.c.

Record
CVE-2018-13873
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-125
Updated
2026-11-02
CVE List No score

An issue was discovered in the HDF HDF5 1.8.20 library. There is a buffer over-read in H5O_chunk_deserialize in H5Ocache.c.

Record
CVE-2018-13873
Updated
2026-11-02
EUVDEUVD-2018-5807 No score

An issue was discovered in the HDF HDF5 1.8.20 library. There is a buffer over-read in H5O_chunk_deserialize in H5Ocache.c.

Record
EUVD-2018-5807
Updated
2026-11-03
GitHub AdvisoriesGHSA-f84x-7wpv-pvx9 9.8

An issue was discovered in the HDF HDF5 1.8.20 library. There is a buffer over-read in...

An issue was discovered in the HDF HDF5 1.8.20 library. There is a buffer over-read in H5O_chunk_deserialize in H5Ocache.c.

Record
GHSA-f84x-7wpv-pvx9
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-125
Updated
2026-11-02
OSV 9.8

An issue was discovered in the HDF HDF5 1.8.20 library. There is a buffer over-read in H5O_chunk_deserialize in H5Ocache.c.

Record
CVE-2018-13873
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-13873 is a critical vulnerability (CVSS 9.8) in Hdfgroup Hdf5, published July 10, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.85%, the 79th percentile. No source names a fixed version.

References

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