CVE-2026-115721

EUVD-2026-109915
**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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 40.77%
References
https://lists.apache.org/thread.html/d0bx15hjcs69gktk9tt25vgvk121c9vm
https://mina.apache.org/vysper-project/
http://www.openwall.com/lists/oss-security/2026/10/23/20