{"schema_version":"1.7.5","id":"UBUNTU-CVE-2021-33194","published":"2021-05-26T15:15:00Z","modified":"2026-04-08T13:45:02.235526187Z","related":["USN-8089-2","USN-8089-3"],"upstream":["CVE-2021-33194"],"details":"golang.org/x/net before v0.0.0-20210520170846-37e1c6afe023 allows attackers to cause a denial of service (infinite loop) via crafted ParseFragment input.","affected":[{"package":{"name":"lxd","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/lxd@3.0.3-0ubuntu1~18.04.2+esm2?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.3-0ubuntu1~18.04.2+esm2"}]}],"versions":["2.18-0ubuntu6","2.19-0ubuntu1","2.20-0ubuntu3","2.20-0ubuntu4","2.21-0ubuntu1","2.21-0ubuntu2","2.21-0ubuntu3","2.21-0ubuntu4","3.0.0~beta2-0ubuntu3","3.0.0~beta3-0ubuntu3","3.0.0~beta5-0ubuntu2","3.0.0~beta7-0ubuntu1","3.0.0-0ubuntu1","3.0.0-0ubuntu2","3.0.0-0ubuntu3","3.0.0-0ubuntu4","3.0.1-0ubuntu1~18.04.1","3.0.2-0ubuntu1~18.04.1","3.0.3-0ubuntu1~18.04.1","3.0.3-0ubuntu1~18.04.2","3.0.3-0ubuntu1~18.04.2+esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"lxd","binary_version":"3.0.3-0ubuntu1~18.04.2+esm2"},{"binary_name":"lxd-client","binary_version":"3.0.3-0ubuntu1~18.04.2+esm2"},{"binary_name":"lxd-tools","binary_version":"3.0.3-0ubuntu1~18.04.2+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33194.json"}},{"package":{"name":"golang-golang-x-net-dev","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/golang-golang-x-net-dev@1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm2?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm2"}]}],"versions":["1:0.0+git20190811.74dc4d7+dfsg-1","1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"golang-go.net-dev","binary_version":"1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm2"},{"binary_name":"golang-golang-x-net-dev","binary_version":"1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33194.json"}}],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-33194"},{"type":"REPORT","url":"https://groups.google.com/g/golang-dev/c/28x0nthP-c8/m/KqWVTjsnBAAJ"},{"type":"REPORT","url":"https://groups.google.com/g/golang-announce/c/wPunbCPkWUg"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-33194"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8089-2"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8089-3"}],"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}