{"id":"CVE-2022-38178","title":"By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak","summary":"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.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-401","CWE-401"],"vendor":"isc","product":"bind","affected":["bind >= 9.9.12, <= 9.9.13","bind >= 9.10.7, <= 9.10.8","bind >= 9.11.3, <= 9.16.32","bind = 9.11.3","bind = 9.11.5","bind = 9.11.6","bind = 9.11.7","bind = 9.11.8","bind = 9.11.12","bind = 9.11.14-s1","bind = 9.11.19-s1","bind = 9.11.21","bind = 9.11.27","bind = 9.11.29","bind = 9.11.35","bind = 9.11.37","bind = 9.16.8","bind = 9.16.11","bind = 9.16.13","bind = 9.16.21","bind = 9.16.32","debian_linux = 11.0","fedora = 35","fedora = 36","fedora = 37","active_iq_unified_manager"],"published":"2022-09-21","updated":"2026-09-01","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-38178","references":[{"url":"http://www.openwall.com/lists/oss-security/2022/09/21/3","label":"security-officer@isc.org"},{"url":"https://kb.isc.org/docs/cve-2022-38178","label":"security-officer@isc.org"},{"url":"https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html","label":"security-officer@isc.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/","label":"security-officer@isc.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/","label":"security-officer@isc.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/","label":"security-officer@isc.org"},{"url":"https://security.gentoo.org/glsa/202210-25","label":"security-officer@isc.org"},{"url":"https://security.netapp.com/advisory/ntap-20221228-0009/","label":"security-officer@isc.org"},{"url":"https://www.debian.org/security/2022/dsa-5235","label":"security-officer@isc.org"},{"url":"http://www.openwall.com/lists/oss-security/2022/09/21/3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://kb.isc.org/docs/cve-2022-38178","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/202210-25","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20221228-0009/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2022/dsa-5235","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.02982,"epssPercentile":0.8664,"ingestedAt":"2026-09-01T20:32:00.202Z","slug":"CVE-2022-38178","body":"## Overview\n\nBy 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.\n\n## Affected\n\n- `bind >= 9.9.12, <= 9.9.13`\n- `bind >= 9.10.7, <= 9.10.8`\n- `bind >= 9.11.3, <= 9.16.32`\n- `bind = 9.11.3`\n- `bind = 9.11.5`\n- `bind = 9.11.6`\n- `bind = 9.11.7`\n- `bind = 9.11.8`\n- `bind = 9.11.12`\n- `bind = 9.11.14-s1`\n- `bind = 9.11.19-s1`\n- `bind = 9.11.21`\n- `bind = 9.11.27`\n- `bind = 9.11.29`\n- `bind = 9.11.35`\n- `bind = 9.11.37`\n- `bind = 9.16.8`\n- `bind = 9.16.11`\n- `bind = 9.16.13`\n- `bind = 9.16.21`\n- `bind = 9.16.32`\n- `debian_linux = 11.0`\n- `fedora = 35`\n- `fedora = 36`\n- `fedora = 37`\n- `active_iq_unified_manager`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":41.3,"likelihood":0.6,"exploitation":0,"ransomware":0},"changes":[]}