CVE-2018-13873

Publication date 10 July 2018

Last updated 25 August 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
hdf5	19.04 disco	Not affected
	18.10 cosmic	Ignored end of life
	18.04 LTS bionic	Not affected
	17.10 artful	Ignored end of life
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
hdf5	Upstream: https://bitbucket.hdfgroup.org/projects/HDFFV/repos/hdf5/commits/820d8e34c58

Severity score breakdown

CVSS version: CVSS v3.0

Base score 9.8 · Critical

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality impact	High
Integrity impact	High
Availability impact	High

Scores

Parameter	Value
Base score	9.8 · Critical
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Other references

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