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CVE-2026-43506

Published: May 1, 2026Updated: May 1, 2026 Sources: CVE List NVDCWE-401
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.3%
Top 80.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
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Weaknesses

CWE-401

Affected Products

ProsodyProsody
On-prem
Communications / messaging-chat
prosodyprosody
On-prem
Communications / messaging-chat
prosodyoss-projectCommunicationsaka mod auth ldap, mod auth ldap2

Exploitability

Official Patch Available
Workaround Available

References

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

Timeline

Published
May 1, 2026
Last Updated
May 1, 2026

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