Severity: moderate
CVSS 3.1: 7.5 (high) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected versions:
- Apache Vysper: all versions
Description:
**UNSUPPORTED WHEN ASSIGNED** Unbounded allocation in XML parsing in Apache
Vysper; all versions, may lead to an out of memory condition.
This issue affects all versions of Apache Vysper. Apache Vysper is an XMPP
(Jabber) server library.
As this project is retired, we do not plan to release a version that fixes this
issue. Users are recommended to find an alternative.
Credit:
Gjoko Krstic (Zero Science Lab) (finder)
References:
https://mina.apache.org/vysper-project/
https://mina.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-115721
