{"id":"CVE-2026-43507","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-43507","generatedAt":"2026-10-28T03:31:48.340Z","title":"A Denial of Service can occur via memory exhaustion caused by XML parsing resource amplification from unauthenticated connections.","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":"2026-05-01T15:16:53.000Z","lastModified":"2026-06-17T10:49:50.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-770"],"affected":["prosody/prosody"],"epss":{"score":0.00348,"percentile":0.28161,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://blog.unionium.org/ARTICLES/1.HTM","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://prosody.im/security/advisory_735dd9d3/","tags":["Mitigation","Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.openwall.com/lists/oss-security/2026/05/01/5","tags":["Mailing List","Patch","Third Party Advisory"],"source":"cve@mitre.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43507","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}