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 XML parsing resource amplification from unauthenticated connections.
Published: 2026-05-01
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6252-1 prosody security update
History

Fri, 01 May 2026 23:15:00 +0000

Type Values Removed Values Added
Title Prosody Denial of Service via XML Parsing Resource Amplification

Fri, 01 May 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 01 May 2026 15:00:00 +0000

Type Values Removed Values Added
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 XML parsing resource amplification from unauthenticated connections.
First Time appeared Prosody
Prosody prosody
Weaknesses CWE-770
CPEs cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:*
Vendors & Products Prosody
Prosody prosody
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-05-01T15:20:38.141Z

Reserved: 2026-05-01T14:47:22.237Z

Link: CVE-2026-43507

cve-icon Vulnrichment

Updated: 2026-05-01T15:20:25.778Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-01T15:16:52.990

Modified: 2026-05-01T17:09:17.600

Link: CVE-2026-43507

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-01T23:00:14Z

Weaknesses