CVE-2026-43507

EUVD-2026-26660
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
mitreCNA
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
prosodyprosody
𝑥
< 0.12.6
CNA
prosodyprosody
1.0.0 ≤
𝑥
< 13.0.5
CNA
Common Weakness Enumeration
References
https://blog.unionium.org/ARTICLES/1.HTM
https://prosody.im/security/advisory_735dd9d3/
https://www.openwall.com/lists/oss-security/2026/05/01/5