CVE-2017-9233: libexpat through 2.2.0 (inclusive); +3 more affected products

Affected technology

libexpat · through 2.2.0 (inclusive)
libexpat project

python · from 2.7.0 (inclusive), before 2.7.15 (exclusive)
python

python · from 3.3.0 (inclusive), before 3.3.7 (exclusive)
python

python · from 3.4.0 (inclusive), before 3.4.7 (exclusive)
python

python · from 3.5.0 (inclusive), before 3.5.4 (exclusive)
python

python · from 3.6.0 (inclusive), before 3.6.2 (exclusive)
python

debian linux · 8.0
debian

debian linux · 9.0
debian

debian linux · 10.0
debian

n/a · n/a
Vendor not specified by the source

Description’s affected range: 2.2.0 and earlier (Expat XML Parser Library)

Component: Not specified by the source

Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

NVD’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.