CVE-2018-13873

Publication date 10 July 2018

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

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

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

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H