CVE-2026-43507

Medium

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.

SeverityMedium
CVSS5.3
Exploit probability—
ProductProsody
PublishedMay 1, 2026
First seenMay 1, 2026

How to fix

Update
  • prosody prosody0.12.6, 13.0.5 or later

Affected products

ProductAffected versionsFixed in
prosody prosodyv < 0.12.6, 13.0.0 ≤ v < 13.0.50.12.6, 13.0.5

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