CVE-2022-0217
prosody - security update
7.5
HIGH
CVSS 3.1
EPSS 0.41%
Description
It was discovered that an internal Prosody library to load XML based on libexpat does not properly restrict the XML features allowed in parsed XML data. Given suitable attacker input, this results in expansion of recursive entity references from DTDs (CWE-776). In addition, depending on the libexpat version used, it may also allow injections using XML External Entity References (CWE-611).
How to fix CVE-2022-0217
To remediate CVE-2022-0217, upgrade the affected package to a fixed version below.
- —upgrade to 0.11.9-2+deb11u1 or later
- —upgrade to 0.11.2-1+deb10u3 or later
Is CVE-2022-0217 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.11.9-2+deb11u1
- from 0, < 0.11.2-1+deb10u3
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 |