CVE-2017-9233
expat - security update
7.5
HIGH
CVSS 3.1
EPSS 0.25%
Description
XML External Entity vulnerability in libexpat 2.2.0 and earlier (Expat XML Parser Library) allows attackers to put the parser in an infinite loop using a malformed external entity definition from an external DTD.
How to fix CVE-2017-9233
To remediate CVE-2017-9233, upgrade the affected package to a fixed version below.
- Alpine/expat—upgrade to 2.2.0-r1 or later
- —upgrade to 2.2.1-1 or later
- —upgrade to 2.1.0-1+deb7u5 or later
- —upgrade to 2.1.0-6+deb8u4 or later
- —no fix listed
Is CVE-2017-9233 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (5)
- from 0, < 2.2.0-r1
- from 0, < 2.2.1-1
- from 0, < 2.1.0-1+deb7u5
- from 0, < 2.1.0-6+deb8u4
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |