{"id":"ALPINE-CVE-2026-43507","details":"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.","modified":"2026-11-03T06:33:03.061169768Z","published":"2026-05-01T15:16:52.990Z","upstream":["CVE-2026-43507"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2026-43507"}],"affected":[{"package":{"name":"prosody","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/prosody?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.0.0"},{"fixed":"0.12.6-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-43507.json"}},{"package":{"name":"prosody","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/prosody?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.0.0"},{"fixed":"0.12.6-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-43507.json"}},{"package":{"name":"prosody","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/prosody?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.0.0"},{"fixed":"13.0.5-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-43507.json"}},{"package":{"name":"prosody","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/prosody?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.0.0"},{"fixed":"13.0.5-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-43507.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}