CVE-2017-7957
libxstream-java - security update
7.5
HIGH
CVSS 3.1
EPSS 2.6%
Description
XStream through 1.4.9, when a certain denyTypes workaround is not used, mishandles attempts to create an instance of the primitive type 'void' during unmarshalling, leading to a remote application crash, as demonstrated by an xstream.fromXML("<void/>") call.
How to fix CVE-2017-7957
To remediate CVE-2017-7957, upgrade the affected package to a fixed version below.
- Debian/libxstream-java—upgrade to 1.4.9-2 or later
- —upgrade to 1.4.2-1+deb7u2 or later
- —upgrade to 1.4.7-2+deb8u2 or later
- —upgrade to 1.4.10 or later
Is CVE-2017-7957 being exploited?
Low — EPSS is 2.6%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 1.4.9-2
- from 0, < 1.4.2-1+deb7u2
- from 0, < 1.4.7-2+deb8u2
- from 0, < 1.4.10
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |