CVE-2026-115721 PUBLISHED

Apache Vysper: Unbounded allocation

Assigner: apache
Reserved: 23.10.2026 Published: 26.10.2026 Updated: 26.10.2026

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.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS Score: 7.5

Product Status

Vendor Apache Software Foundation
Product Apache Vysper
Versions Default: unaffected
  • affected from 0 to * (incl.)

Credits

  • Gjoko Krstic (Zero Science Lab) finder

References

Problem Types

  • cwe-770