{"id":"CVE-2026-33610","summary":"Possible file descriptor exhaustion in forward-dnsupdate","details":"A rogue primary server may cause file descriptor exhaustion and eventually a denial of service, when a PowerDNS secondary server forwards a DNS update request to it.","modified":"2026-07-15T01:49:02.250336604Z","published":"2026-04-22T14:00:51.529Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33610.json","cna_assigner":"OX"},"references":[{"type":"WEB","url":"https://repo.powerdns.com/"},{"type":"ADVISORY","url":"https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-05.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33610.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33610"},{"type":"PACKAGE","url":"https://github.com/PowerDNS/pdns"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/powerdns/pdns","events":[{"introduced":"99d7f7a403baf29714a9f640c24f106c402c5891"},{"fixed":"425110ef9a566eb2763d82f4a90ae4f5d4b6f2d0"},{"introduced":"d1499af06af5dfdff785e9b0595ee692074dba6e"},{"fixed":"b6ee83de58b7354ff1596ac5146facef3efbf9a3"}],"database_specific":{"cpe":"cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.9.0"},{"fixed":"4.9.14"},{"introduced":"5.0.0"},{"fixed":"5.0.4"}],"source":"CPE_RANGE"}}],"versions":["rec-5.0.3","rec-5.0.1","rec-5.0.0-rc2","rec-5.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-33610.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}