{"id":"CVE-2018-14644","aliases":["DEBIAN-CVE-2018-14644","EUVD-2018-6542","GHSA-2268-76c3-x85m","MGASA-2019-0009","UBUNTU-CVE-2018-14644","USN-7203-1","openSUSE-SU-2018:4062-1","openSUSE-SU-2018:4177-1","openSUSE-SU-2024:11157-1"],"status":"published","title":"An issue has been found in PowerDNS Recursor from 4.0.0 up to and including 4.1.4. A remote...","description":"An issue has been found in PowerDNS Recursor from 4.0.0 up to and including 4.1.4. A remote attacker sending a DNS query for a meta-type like OPT can lead to a zone being wrongly cached as failing DNSSEC validation. It only arises if the parent zone is signed, and all the authoritative servers for that parent zone answer with FORMERR to a query for at least one of the meta-types. As a result, subsequent queries from clients requesting DNSSEC validation will be answered with a ServFail.","severity":{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.04839,"percentile":0.92068,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2018-11-09T19:00:00Z","modified":"2026-10-24T10:30:52Z","fixes":[{"ecosystem":"Debian:12","package":"pdns-recursor","fixed_in":["4.1.7-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"pdns-recursor","fixed_in":["4.1.7-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"pdns-recursor","fixed_in":["4.1.7-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:16.04:LTS","package":"pdns-recursor","fixed_in":["4.0.0~alpha2-2ubuntu0.1+esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:18.04:LTS","package":"pdns-recursor","fixed_in":["4.1.1-2ubuntu0.1~esm1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.7-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.7-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.7-1"}]}]},{"source":"osv","ecosystem":"Mageia:6","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.8-1.mga6"}]}],"bundled":4},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.0~alpha2-2ubuntu0.1+esm1"}]}],"versions":["3.7.3-1","4.0.0~alpha1-1","4.0.0~alpha1-2","4.0.0~alpha2-2","4.0.0~alpha2-2ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.1-2ubuntu0.1~esm1"}]}],"versions":["4.0.6-1","4.0.6-1build1","4.0.7-1","4.1.1-1","4.1.1-1build1","4.1.1-2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"pdns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.0~alpha2-3ubuntu0.1~esm1"}]}],"versions":["3.4.5-1build2","3.4.6-2","3.4.6-3","3.4.7-1","3.4.7-2","4.0.0~alpha1-1","4.0.0~alpha2-2","4.0.0~alpha2-3","4.0.0~alpha2-3build1"],"bundled":6},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.0~alpha2-2ubuntu0.1+esm1"}]}],"versions":["3.7.3-1","4.0.0~alpha1-1","4.0.0~alpha1-2","4.0.0~alpha2-2","4.0.0~alpha2-2ubuntu0.1"],"bundled":6},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"pdns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.1-1ubuntu0.1~esm1"}]}],"versions":["4.0.4-2","4.0.4-2build1","4.0.5-1","4.1.0-1","4.1.0-2","4.1.0-2build1","4.1.1-1"],"bundled":6},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.1-2ubuntu0.1~esm1"}]}],"versions":["4.0.6-1","4.0.6-1build1","4.0.7-1","4.1.1-1","4.1.1-1build1","4.1.1-2"],"bundled":6},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"pdns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.1-1ubuntu0.1~esm1"}]}],"versions":["4.1.6-3build1","4.2.0-1","4.2.1-1","4.2.1-1build1","4.2.1-1build2"],"bundled":6},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.1-1ubuntu0.1~esm1"}]}],"versions":["4.2.0-6","4.2.1-1","4.2.1-1build1","4.2.1-1build2"],"bundled":6},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"pdns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.3-1ubuntu0.1~esm1"}]}],"versions":["4.4.1-1build1","4.4.1-3","4.4.1-4","4.5.2-1build1","4.5.3-1"],"bundled":6},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.0-1ubuntu1+esm1"}]}],"versions":["4.4.2-3","4.6.0-1ubuntu1"],"bundled":6},{"source":"osv","ecosystem":"SUSE:Package Hub 12 SP1","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.8-13.1"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Package Hub 15","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.2-bp150.2.3.1"}]}],"bundled":4},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"pdns-recursor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.5-1.3"}]}],"bundled":18}],"products":[{"vendor":"[unknown]","product":"pdns"},{"vendor":"debian","product":"pdns"},{"vendor":"powerdns","product":"recursor"}],"references":[{"url":"https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-07.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14644","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-14644"},{"url":"https://github.com/advisories/GHSA-2268-76c3-x85m"},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-14644","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2019-0009.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=23815","tags":["report"]},{"url":"https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-04.html","tags":["advisory"]},{"url":"https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-06.html","tags":["advisory"]},{"url":"https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-09.html","tags":["advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/U5BJ2CLRPCLSDHOH3VAABZZP4GVKGLL5/","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2018-14644","tags":["report"]},{"url":"https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-07.html","tags":["report"]},{"url":"https://downloads.powerdns.com/patches/2018-07/","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-14644","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-7203-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-1046","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-10851","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-14626","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-17482","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-27227","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/FI4FFU4QQEWV74MZWYUFSQ5ZMXRGIH7G/#FI4FFU4QQEWV74MZWYUFSQ5ZMXRGIH7G","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1089814","tags":["report"]},{"url":"https://bugzilla.suse.com/1114157","tags":["report"]},{"url":"https://bugzilla.suse.com/1114169","tags":["report"]},{"url":"https://bugzilla.suse.com/1114170","tags":["report"]},{"url":"https://bugzilla.suse.com/1116592","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2018-10851","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-14626","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-14644","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16855","tags":["web"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/M2UYXXO7I4TUSSSVHBOZEQKRR4SWMVXY/#M2UYXXO7I4TUSSSVHBOZEQKRR4SWMVXY","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2120","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-7068","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15090","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15092","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15093","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15094","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-1000003","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-3806","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-3807","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-10030","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-10995","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-12244","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14196","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25829","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2018-14644","description":"An issue has been found in PowerDNS Recursor from 4.0.0 up to and including 4.1.4. A remote attacker sending a DNS query for a meta-type like OPT can lead to a zone being wrongly cached as failing DNSSEC validation. It only arises if the parent zone is signed, and all the authoritative servers for that parent zone answer with FORMERR to a query for at least one of the meta-types. As a result, subsequent queries from clients requesting DNSSEC validation will be answered with a ServFail.","status":"published","published":"2018-11-09T19:00:00Z","modified":"2024-08-05T09:38:12.991Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:35:00.589142Z"}],"euvd":[{"id":"EUVD-2018-6542","description":"An issue has been found in PowerDNS Recursor from 4.0.0 up to and including 4.1.4. A remote attacker sending a DNS query for a meta-type like OPT can lead to a zone being wrongly cached as failing DNSSEC validation. It only arises if the parent zone is signed, and all the authoritative servers for that parent zone answer with FORMERR to a query for at least one of the meta-types. As a result, subsequent queries from clients requesting DNSSEC validation will be answered with a ServFail.","status":"published","published":"2018-11-09T19:00:00Z","modified":"2024-08-05T09:38:12Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T02:39:46.259365Z"}],"ghsa":[{"id":"GHSA-2268-76c3-x85m","title":"An issue has been found in PowerDNS Recursor from 4.0.0 up to and including 4.1.4. A remote...","description":"An issue has been found in PowerDNS Recursor from 4.0.0 up to and including 4.1.4. A remote attacker sending a DNS query for a meta-type like OPT can lead to a zone being wrongly cached as failing DNSSEC validation. It only arises if the parent zone is signed, and all the authoritative servers for that parent zone answer with FORMERR to a query for at least one of the meta-types. As a result, subsequent queries from clients requesting DNSSEC validation will be answered with a ServFail.","status":"published","published":"2022-05-13T01:34:31Z","modified":"2023-02-01T05:08:22Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:50:45.067904Z"}],"nvd":[{"id":"CVE-2018-14644","description":"An issue has been found in PowerDNS Recursor from 4.0.0 up to and including 4.1.4. A remote attacker sending a DNS query for a meta-type like OPT can lead to a zone being wrongly cached as failing DNSSEC validation. It only arises if the parent zone is signed, and all the authoritative servers for that parent zone answer with FORMERR to a query for at least one of the meta-types. As a result, subsequent queries from clients requesting DNSSEC validation will be answered with a ServFail.","status":"published","published":"2018-11-09T19:29:00.253Z","modified":"2026-06-17T01:41:21.63Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:47.196456Z"}],"osv":[{"id":"CVE-2018-14644","description":"An issue has been found in PowerDNS Recursor from 4.0.0 up to and including 4.1.4. A remote attacker sending a DNS query for a meta-type like OPT can lead to a zone being wrongly cached as failing DNSSEC validation. It only arises if the parent zone is signed, and all the authoritative servers for that parent zone answer with FORMERR to a query for at least one of the meta-types. As a result, subsequent queries from clients requesting DNSSEC validation will be answered with a ServFail.","status":"published","published":"2018-11-09T19:29:00.253Z","modified":"2026-10-24T10:30:52.518119305Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:08.242347Z"},{"id":"DEBIAN-CVE-2018-14644","description":"An issue has been found in PowerDNS Recursor from 4.0.0 up to and including 4.1.4. A remote attacker sending a DNS query for a meta-type like OPT can lead to a zone being wrongly cached as failing DNSSEC validation. It only arises if the parent zone is signed, and all the authoritative servers for that parent zone answer with FORMERR to a query for at least one of the meta-types. As a result, subsequent queries from clients requesting DNSSEC validation will be answered with a ServFail.","status":"published","published":"2018-11-09T19:29:00.253Z","modified":"2026-10-23T18:02:59.866889122Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:30.290351Z"},{"id":"UBUNTU-CVE-2018-14644","description":"An issue has been found in PowerDNS Recursor from 4.0.0 up to and including 4.1.4. A remote attacker sending a DNS query for a meta-type like OPT can lead to a zone being wrongly cached as failing DNSSEC validation. It only arises if the parent zone is signed, and all the authoritative servers for that parent zone answer with FORMERR to a query for at least one of the meta-types. As a result, subsequent queries from clients requesting DNSSEC validation will be answered with a ServFail.","status":"published","published":"2018-11-09T19:29:00Z","modified":"2026-02-04T03:42:51.857462Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"},{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:54:17.014176Z"},{"id":"MGASA-2019-0009","title":"Updated pdns-recursor packages fix security vulnerabilities","description":"A vulnerability was in found in PowerDNS Recursor. The issue is a memory\nleak occurring while parsing some malformed records, due to the fact\nthat some memory is allocated parsing a record and is not always\nproperly released if the record is not valid. It allows a malicious auth\nserver to cause a denial of service by sending specially crafted records\nin response to a legitimate query by an authorized user (CVE-2018-10851).\n\nAn issue has been found in PowerDNS Recursor allowing a remote user to\ncraft a DNS query that will cause an answer without DNSSEC records to be\ninserted into the packet cache and be returned to clients asking for\nDNSSEC records, thus hiding the presence of DNSSEC signatures for a\nspecific qname and qtype. For a DNSSEC-signed domain, this means that\nclients performing DNSSEC validation by themselves might consider the\nanswer to be bogus until it expires from the packet cache, leading to a\ndenial of service (CVE-2018-14626).\n\nAn issue has been found in PowerDNS Recursor from 4.0.0 up to and\nincluding 4.1.4. A remote attacker sending a DNS query for a meta-type\nlike OPT can lead to a zone being wrongly cached as failing DNSSEC\nvalidation. It only arises if the parent zone is signed, and all the\nauthoritative servers for that parent zone answer with FORMERR to a\nquery for at least one of the meta-types. As a result, subsequent\nqueries from clients requesting DNSSEC validation will be answered with\na ServFail (CVE-2018-14644).\n\nAn issue has been found in PowerDNS Recursor where a remote attacker\nsending a DNS query can trigger an out-of-bounds memory read while\ncomputing the hash of the query for a packet cache lookup, possibly\nleading to a crash (CVE-2018-16855).\n","status":"published","published":"2019-01-05T18:30:16Z","modified":"2026-04-16T06:25:57.699134304Z","updated_at":"2026-11-02T15:49:40.793816Z"},{"id":"openSUSE-SU-2018:4062-1","title":"Security update for pdns-recursor","description":"This update for pdns-recursor to version 4.1.8 fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2018-10851: Fixed denial of service via crafted zone record or crafted answer (bsc#1114157).\n- CVE-2018-14644: Fixed denial of service via crafted query for meta-types (bsc#1114170).\n- CVE-2018-14626: Fixed packet cache pollution via crafted query (bsc#1114169).\n- CVE-2018-16855: Fixed case where a crafted query could cause a denial of service (bsc#1116592)\n\nNon-security issues fixed:\n\n- Fixed build failure with Boost 1.67.0 (bsc#1089814).\n- Revert ‘Keep the EDNS status of a server on FormErr with EDNS’\n- Refuse queries for all meta-types\n\nFor more details about this update, refer to:\n  https://blog.powerdns.com/2018/11/26/powerdns-recursor-4-1-8-released/\n","status":"published","published":"2018-12-10T13:09:45Z","modified":"2026-02-04T02:15:49.537118Z","updated_at":"2026-11-02T16:58:30.39372Z"},{"id":"openSUSE-SU-2018:4177-1","title":"Security update for pdns-recursor","description":"This update for pdns-recursor fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2018-10851: Fixed denial of service via crafted zone record or crafted answer (bsc#1114157).\n- CVE-2018-14644: Fixed denial of service via crafted query for meta-types (bsc#1114170).\n- CVE-2018-14626: Fixed packet cache pollution via crafted query (bsc#1114169).\n- CVE-2018-16855: Fixed case where a crafted query could cause a denial of service (bsc#1116592)\n\nThis update was imported from the openSUSE:Leap:15.0:Update update project.","status":"published","published":"2018-12-18T12:04:40Z","modified":"2026-02-04T04:15:43.667982Z","updated_at":"2026-11-02T16:58:30.39372Z"},{"id":"openSUSE-SU-2024:11157-1","title":"pdns-recursor-4.5.5-1.3 on GA media","description":"These are all security issues fixed in the pdns-recursor-4.5.5-1.3 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:57:58.848357Z","updated_at":"2026-11-02T16:58:34.894275Z"},{"id":"USN-7203-1","title":"pdns, pdns-recursor vulnerabilities","description":"Wei Hao discovered that PowerDNS Authoritative Server incorrectly handled\nmemory when accessing certain files. An attacker could possibly use this\nissue to achieve arbitrary code execution. (CVE-2018-1046)\n\nIt was discovered that PowerDNS Authoritative Server and PowerDNS Recursor\nincorrectly handled memory when receiving certain remote input. An attacker\ncould possibly use this issue to cause denial of service. (CVE-2018-10851)\n\nKees Monshouwer discovered that PowerDNS Authoritative Server and PowerDNS\nRecursor incorrectly handled request validation after having cached\nmalformed input. An attacker could possibly use this issue to cause denial\nof service. (CVE-2018-14626)\n\nToshifumi Sakaguchi discovered that PowerDNS Recursor incorrectly handled\nrequests after having cached malformed input. An attacker could possibly\nuse this issue to cause denial of service. (CVE-2018-14644)\n\nNathaniel Ferguson discovered that PowerDNS Authoritative Server\nincorrectly handled memory when receiving certain remote input. An attacker\ncould possibly use this issue to obtain sensitive information.\n(CVE-2020-17482)\n\nNicolas Dehaine and Dmitry Shabanov discovered that PowerDNS Authoritative\nServer and PowerDNS Recursor incorrectly handled IXFR requests in certain\ncircumstances. An attacker could possibly use this issue to cause denial of\nservice. (CVE-2022-27227)\n","status":"published","published":"2025-01-14T13:40:35Z","modified":"2026-06-25T13:32:30.073988287Z","updated_at":"2026-11-02T16:58:18.876384Z"}]}}