Denial of Service Vulnerability in Prosody by Prosody.im
CVE-2026-43506

5.3MEDIUM

Key Information:

Vendor

Prosody

Status
Prosody
Vendor
CVE Published:
1 May 2026

What is CVE-2026-43506?

An issue has been detected in Prosody that results in Denial of Service due to memory exhaustion. This vulnerability is triggered by memory leaks stemming from unauthenticated connections, potentially allowing an attacker to deplete available resources and disrupt service. Users are advised to upgrade to the latest patched versions to mitigate this risk and maintain a secure operational environment.

Affected Version(s)

Prosody 0 < 0.12.6

Prosody 1.0.0 < 13.0.5

References

https://www.openwall.com/lists/oss-security/2026/05/01/5
https://prosody.im/security/advisory_735dd9d3/

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.