CVE-2022-0217
HIGH7.5EPSS 0.41%prosody - security update
Published: 8/26/2022Modified: 4/28/2026
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).
Affected packages (2)
- Debian/prosodyfrom 0, < 0.11.9-2+deb11u1
- Debian/prosodyfrom 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 |