{"id":"UBUNTU-CVE-2021-43668","details":"Go-Ethereum 1.10.9 nodes crash (denial of service) after receiving a serial of messages and cannot be recovered. They will crash with \"runtime error: invalid memory address or nil pointer dereference\" and arise a SEGV signal.","modified":"2026-05-20T16:05:18.496906606Z","published":"2021-11-18T16:15:00Z","upstream":["CVE-2021-43668"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-43668"},{"type":"REPORT","url":"https://github.com/ethereum/go-ethereum/issues/23866"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-43668"}],"affected":[{"package":{"name":"golang-goleveldb","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/golang-goleveldb?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0+git20150214.e9e2c8f-1","0+git20150819.1a9d62f-1"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-goleveldb-dev","binary_version":"0+git20150819.1a9d62f-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43668.json"}},{"package":{"name":"golang-goleveldb","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/golang-goleveldb?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20170302.0.3c5717c-5","0.0~git20170725.0.b89cc31-1","0.0~git20170725.0.b89cc31-2"],"ecosystem_specific":{"binaries":[{"binary_version":"0.0~git20170725.0.b89cc31-2","binary_name":"golang-github-syndtr-goleveldb-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43668.json"}},{"package":{"name":"golang-goleveldb","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/golang-goleveldb?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20170725.0.b89cc31-2"],"ecosystem_specific":{"binaries":[{"binary_version":"0.0~git20170725.0.b89cc31-2","binary_name":"golang-github-syndtr-goleveldb-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43668.json"}},{"package":{"name":"golang-goleveldb","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/golang-goleveldb?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20200815.5c35d60-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.0~git20200815.5c35d60-1","binary_name":"golang-github-syndtr-goleveldb-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43668.json"}},{"package":{"name":"golang-goleveldb","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/golang-goleveldb?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20200815.5c35d60-1","0.0~git20200815.5c35d60-2"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-github-syndtr-goleveldb-dev","binary_version":"0.0~git20200815.5c35d60-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43668.json"}},{"package":{"name":"golang-goleveldb","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/golang-goleveldb?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20200815.5c35d60-2"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-github-syndtr-goleveldb-dev","binary_version":"0.0~git20200815.5c35d60-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43668.json"}},{"package":{"name":"golang-goleveldb","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/golang-goleveldb?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20200815.5c35d60-2"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-github-syndtr-goleveldb-dev","binary_version":"0.0~git20200815.5c35d60-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43668.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}