CVE-2026-115721 — HIGH (7.5)

Vulnerability 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.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

References

FAQ

What is CVE-2026-115721?

CVE-2026-115721 is a vulnerability with a CVSS score of 7.5 (HIGH). **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 ...

How severe is CVE-2026-115721?

CVE-2026-115721 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-115721?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.