CVE-2026-43507_CVE-2026-43507

5.3 / 10

MEDIUM

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

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.

Basic Information

ID CVE-2026-43507

Source mitre

Published May 1, 2026 at 14:47

Modified May 1, 2026 at 15:20

Affected Product

Vendor Prosody

Product Prosody

Affected Versions Prosody Prosody 0
Prosody Prosody 1.0.0

CWE Classification

CWE-770

References

{
    "lastseen": "",
    "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": "2026-05-01T14:47:22.616Z",
    "modified": "2026-05-01T15:20:38.141Z",
    "type": "cve",
    "title": "CVE-2026-43507",
    "source": "mitre",
    "references": "https://www.openwall.com/lists/oss-security/2026/05/01/5\nhttps://prosody.im/security/advisory_735dd9d3/\nhttps://blog.unionium.org/ARTICLES/1.HTM",
    "id": "CVE-2026-43507",
    "bulletinFamily": "",
    "cwe": [
        "CWE-770"
    ],
    "cvelist": null,
    "sourceData": "Prosody Prosody 0\nProsody Prosody 1.0.0",
    "sourceHref": "",
    "cvss": {
        "score": 5.3,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Prosody",
    "version": "0",
    "vendor": "Prosody",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}