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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 Reserved 2026-05-01 | Published 2026-05-01 | Updated 2026-05-01 | Assigner mitre




MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Problem types

CWE-770 Allocation of Resources Without Limits or Throttling

Product status

Default status
unaffected

Any version before 0.12.6
affected

1.0.0 (semver) before 13.0.5
affected

References

www.openwall.com/lists/oss-security/2026/05/01/5

prosody.im/security/advisory_735dd9d3/

blog.unionium.org/ARTICLES/1.HTM

cve.org (CVE-2026-43507)

nvd.nist.gov (CVE-2026-43507)

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