Bug 2464492 (CVE-2026-43506)

Summary: CVE-2026-43506 Prosody: Prosody: Denial of Service via memory exhaustion from unauthenticated connections
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedKeywords: Security
Target Milestone: ---   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in Prosody. A remote, unauthenticated attacker can exploit this vulnerability by establishing connections that lead to memory leaks. This can cause memory exhaustion, resulting in a Denial of Service (DoS) for the affected system.
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2466701, 2466705    
Bug Blocks:    

Description OSIDB Bzimport 2026-05-01 15:09:48 UTC
An issue was discovered in Prosody before 0.12.6 and 1.0.0 through 13.0.0 before 13.0.5. A Denial of Service can occur via memory exhaustion caused by memory leaks from unauthenticated connections.