{"schemaVersion":3,"id":"CVE-2022-38178","aliases":["ALPINE-CVE-2022-38178","UBUNTU-CVE-2022-38178","DEBIAN-CVE-2022-38178","CGA-gxc9-fj7x-p4f7","CGA-h29r-r59w-3cqc"],"status":"published","duplicateOf":null,"title":null,"description":"By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources.","dates":{"published":"2022-09-21T10:15:29.078Z","modified":"2025-05-28T15:23:06.572Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","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","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Alpine","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","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","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","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","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","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Wolfi","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","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Chainguard","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","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","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","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.03002,"percentile":0.87166,"severity":"low","asOf":"2026-10-18T00:00:00.000Z","change":{"pp":0.020000000000000226,"baselineDate":"2026-09-18T00:00:00.000Z","baselineScore":0.02982},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.02518,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.02518,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.02518,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.02518,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.03002,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.03002,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.03002,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.03002,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.03002,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.03002,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.03002,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.03002,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.03002,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.03002,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.03002,"percentile":0.87166}],"last30":[{"date":"2026-09-18T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02982,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.03002,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.03002,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.03002,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.03002,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.03002,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.03002,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.03002,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.03002,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.03002,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.03002,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.03002,"percentile":0.87166}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-401","name":"Missing Release of Memory after Effective Lifetime","description":"The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.","type":"weakness","status":"Draft","abstraction":"Variant","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/401.html"}],"affected":[{"vendor":"alpine","product":"bind","name":"bind","label":"bind","ecosystem":"Alpine Linux","cpePart":null,"purl":"pkg:apk/alpine/bind","purlType":"apk","versions":[{"text":"≥ 9.9.12, < 9.16.33-r0","noFixRecorded":false,"fixedIn":null},{"text":"≥ 9.9.12, < 9.18.7-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 9.9.12, < 9.16.33-r0 | ≥ 9.9.12, < 9.18.7-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"bind","name":"bind","label":"bind","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/bind","purlType":"apk","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"wolfi","product":"bind","name":"bind","label":"bind","ecosystem":"Wolfi","cpePart":null,"purl":"pkg:apk/wolfi/bind","purlType":"apk","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"debian","product":"bind9","name":"bind9","label":"bind9","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/bind9","purlType":"deb","versions":[{"text":"< 1:9.18.7-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:9.18.7-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"bind9","name":"bind9","label":"bind9","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/bind9","purlType":"deb","versions":[{"text":"< 1:9.11.3+dfsg-1ubuntu1.18","noFixRecorded":false,"fixedIn":null},{"text":"< 1:9.16.1-0ubuntu2.11","noFixRecorded":false,"fixedIn":null},{"text":"< 1:9.18.1-1ubuntu1.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:9.11.3+dfsg-1ubuntu1.18 | < 1:9.16.1-0ubuntu2.11 | < 1:9.18.1-1ubuntu1.2","eol":null,"hubHref":null},{"vendor":"debian","product":"debian_linux","name":"debian linux","label":"debian_linux","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"11.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"11.0","eol":{"isEol":true,"eolDate":"2026-08-31T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"11","label":"11 (Bullseye)","eolFrom":"2026-08-31T00:00:00.000Z","isLts":false,"isMaintained":true,"latestVersion":"11.11"},"product":{"name":"debian","label":"Debian","category":"os"}},"hubHref":"/vendor/debian/debian_linux"},{"vendor":"fedoraproject","product":"fedora","name":"fedora","label":"fedora","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"35","noFixRecorded":false,"fixedIn":null},{"text":"36","noFixRecorded":false,"fixedIn":null},{"text":"37","noFixRecorded":false,"fixedIn":null}],"versionsText":"35 | 36 | 37","eol":{"isEol":true,"eolDate":"2022-12-13T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"35","label":"35","eolFrom":"2022-12-13T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":null},"product":{"name":"fedora","label":"Fedora Linux","category":"os"}},"hubHref":"/vendor/fedoraproject/fedora"},{"vendor":"isc","product":"bind","name":"BIND","label":"bind","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 9.9.12, ≤ 9.9.13","noFixRecorded":false,"fixedIn":null},{"text":"≥ 9.10.7, ≤ 9.10.8","noFixRecorded":false,"fixedIn":null},{"text":"≥ 9.11.3, ≤ 9.16.32","noFixRecorded":false,"fixedIn":null},{"text":"9.11.3:s1","noFixRecorded":false,"fixedIn":null},{"text":"9.11.3:s4","noFixRecorded":false,"fixedIn":null},{"text":"9.11.5:s3","noFixRecorded":false,"fixedIn":null},{"text":"9.11.5:s5","noFixRecorded":false,"fixedIn":null},{"text":"9.11.5:s6","noFixRecorded":false,"fixedIn":null},{"text":"9.11.6:s1","noFixRecorded":false,"fixedIn":null},{"text":"9.11.7:s1","noFixRecorded":false,"fixedIn":null},{"text":"9.11.8:s1","noFixRecorded":false,"fixedIn":null},{"text":"9.11.12:s1","noFixRecorded":false,"fixedIn":null},{"text":"9.11.14-s1","noFixRecorded":false,"fixedIn":null},{"text":"9.11.19-s1","noFixRecorded":false,"fixedIn":null},{"text":"9.11.21:s1","noFixRecorded":false,"fixedIn":null},{"text":"9.11.27:s1","noFixRecorded":false,"fixedIn":null},{"text":"9.11.29:s1","noFixRecorded":false,"fixedIn":null},{"text":"9.11.35:s1","noFixRecorded":false,"fixedIn":null},{"text":"9.11.37:s1","noFixRecorded":false,"fixedIn":null},{"text":"9.16.8:s1","noFixRecorded":false,"fixedIn":null},{"text":"9.16.11:s1","noFixRecorded":false,"fixedIn":null},{"text":"9.16.13:s1","noFixRecorded":false,"fixedIn":null},{"text":"9.16.21:s1","noFixRecorded":false,"fixedIn":null},{"text":"9.16.32:s1","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 9.9.12, ≤ 9.9.13 | ≥ 9.10.7, ≤ 9.10.8 | ≥ 9.11.3, ≤ 9.16.32 | 9.11.3:s1 | 9.11.3:s4 | 9.11.5:s3 | 9.11.5:s5 | 9.11.5:s6 | 9.11.6:s1 | 9.11.7:s1 | 9.11.8:s1 | 9.11.12:s1 | 9.11.14-s1 | 9.11.19-s1 | 9.11.21:s1 | 9.11.27:s1 | 9.11.29:s1 | 9.11.35:s1 | 9.11.37:s1 | 9.16.8:s1 | 9.16.11:s1 | 9.16.13:s1 | 9.16.21:s1 | 9.16.32:s1","eol":null,"hubHref":"/vendor/isc/bind"},{"vendor":"isc","product":"bind9","name":"BIND9","label":"bind9","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"Open Source Branch 9.9 9.9.12 through versions up to and including 9.9.13","noFixRecorded":false,"fixedIn":null},{"text":"Open Source Branch 9.10 9.10.7 through versions up to and including 9.10.8","noFixRecorded":false,"fixedIn":null},{"text":"Open Source Branches 9.11 through 9.16 9.11.3 through versions before 9.16.33","noFixRecorded":false,"fixedIn":null},{"text":"Open Source Branch 9.18 9.18.0 through versions before 9.18.7","noFixRecorded":false,"fixedIn":null},{"text":"Supported Preview Branch 9.11-S 9.11.4-S1 through versions up to and including 9.11.37-S1","noFixRecorded":false,"fixedIn":null},{"text":"Supported Preview Branch 9.16-S 9.16.8-S1 through versions before 9.16.33-S1","noFixRecorded":false,"fixedIn":null},{"text":"Development Branch 9.19 9.19.0 through versions before 9.19.5","noFixRecorded":false,"fixedIn":null}],"versionsText":"Open Source Branch 9.9 9.9.12 through versions up to and including 9.9.13 | Open Source Branch 9.10 9.10.7 through versions up to and including 9.10.8 | Open Source Branches 9.11 through 9.16 9.11.3 through versions before 9.16.33 | Open Source Branch 9.18 9.18.0 through versions before 9.18.7 | Supported Preview Branch 9.11-S 9.11.4-S1 through versions up to and including 9.11.37-S1 | Supported Preview Branch 9.16-S 9.16.8-S1 through versions before 9.16.33-S1 | Development Branch 9.19 9.19.0 through versions before 9.19.5","eol":null,"hubHref":"/vendor/isc/bind9"},{"vendor":"netapp","product":"active_iq_unified_manager","name":"active iq unified manager","label":"active_iq_unified_manager","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/netapp/active_iq_unified_manager"}],"affectedCount":10,"eol":{"hasEol":true,"count":2},"references":[{"url":"https://kb.isc.org/docs/cve-2022-38178","label":"kb.isc.org/docs/cve-2022-38178","hostname":"kb.isc.org","tags":["Advisory","Mailing List","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2022/09/21/3","label":"www.openwall.com/lists/oss-security/2022/09/21/3","hostname":"www.openwall.com","tags":["Mailing List","FIX","Patch","Third Party Advisory"]},{"url":"https://www.debian.org/security/2022/dsa-5235","label":"www.debian.org/security/2022/dsa-5235","hostname":"www.debian.org","tags":["Vendor Advisory","Advisory","Third Party Advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","WEB"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","WEB"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","WEB"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html","label":"lists.debian.org/debian-lts-announce/2022/10/msg00007.html","hostname":"lists.debian.org","tags":["Mailing List","Advisory","Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202210-25","label":"security.gentoo.org/glsa/202210-25","hostname":"security.gentoo.org","tags":["Vendor Advisory","Advisory","Third Party Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20221228-0009/","label":"security.netapp.com/advisory/ntap-20221228-0009/","hostname":"security.netapp.com","tags":["Advisory","Third Party Advisory"]},{"url":"https://security.alpinelinux.org/vuln/CVE-2022-38178","label":"security.alpinelinux.org/vuln/CVE-2022-38178","hostname":"security.alpinelinux.org","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-38178","label":"ubuntu.com/security/CVE-2022-38178","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-5626-1","label":"ubuntu.com/security/notices/USN-5626-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-38178","label":"www.cve.org/CVERecord?id=CVE-2022-38178","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2022-38178","label":"security-tracker.debian.org/tracker/CVE-2022-38178","hostname":"security-tracker.debian.org","tags":["Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-38178","label":"nvd.nist.gov/vuln/detail/CVE-2022-38178","hostname":"nvd.nist.gov","tags":["Oval","Advisory"]}],"lineage":{"upstream":[],"downstream":["DLA-3138-1","DSA-5235-1","MGASA-2022-0388","OPENSUSE-SU-2024:12356-1","RHSA-2022:6763","RHSA-2022:6764","RHSA-2022:6765","RHSA-2022:6778","RHSA-2022:6779","RHSA-2022:6780","RHSA-2022:6781","RHSA-2022:8598","SUSE-SU-2022:3499-1","SUSE-SU-2022:3682-1","SUSE-SU-2022:3729-1","SUSE-SU-2022:3767-1","USN-5626-1"],"duplicates":[],"related":["CGA-J6QJ-7QW6-R656","CGA-WGQ9-VR4X-3P8X","OPENSUSE-SU-2024:12356-1","SUSE-SU-2022:3499-1","SUSE-SU-2022:3682-1","SUSE-SU-2022:3729-1","SUSE-SU-2022:3767-1","USN-5626-1"]},"timeline":[{"kind":"published","date":"2022-09-21T10:15:29.078Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2025-05-28T15:23:06.572Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":31,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T12:08:45.554Z","stale":false,"partial":false}}