{"id":"UBUNTU-CVE-2021-31525","details":"net/http in Go before 1.15.12 and 1.16.x before 1.16.4 allows remote attackers to cause a denial of service (panic) via a large header to ReadRequest or ReadResponse. Server, Transport, and Client can each be affected in some configurations.","modified":"2026-06-23T00:30:08.864342432Z","published":"2021-05-27T13:15:00Z","upstream":["CVE-2021-31525"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-31525"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-31525"}],"affected":[{"package":{"name":"golang-golang-x-net-dev","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/golang-golang-x-net-dev?arch=source&distro=esm-infra%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0+git20150226.3d87fd6-3","0.0+git20151007.b846920+dfsg-1","1:0.0+git20150817.66f0418-1","1:0.0+git20160110.4fd4a9f-1","1:0.0+git20160110.4fd4a9f-1ubuntu0.1~esm1","1:0.0+git20160110.4fd4a9f-1ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-go.net-dev","binary_version":"1:0.0+git20160110.4fd4a9f-1ubuntu0.1~esm2"},{"binary_name":"golang-golang-x-net-dev","binary_version":"1:0.0+git20160110.4fd4a9f-1ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-31525.json"}},{"package":{"name":"google-guest-agent","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/google-guest-agent?arch=source&distro=esm-apps-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20201217.02-0ubuntu1~16.04.0","20230426.00-0ubuntu2~16.04.3","20231004.02-0ubuntu1~16.04.1","20231004.02-0ubuntu1~16.04.2","20240716.00-0ubuntu1~16.04.0","20240716.00-0ubuntu1~16.04.0+esm1","20240716.00-0ubuntu1~16.04.0+esm2","20240716.00-0ubuntu1~16.04.0+esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"google-guest-agent","binary_version":"20240716.00-0ubuntu1~16.04.0+esm3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-31525.json"}},{"package":{"name":"golang-1.16","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/golang-1.16?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.2-0ubuntu1~18.04.2","1.16.2-0ubuntu1~18.04.2+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.16.2-0ubuntu1~18.04.2+esm1","binary_name":"golang-1.16"},{"binary_name":"golang-1.16-go","binary_version":"1.16.2-0ubuntu1~18.04.2+esm1"},{"binary_version":"1.16.2-0ubuntu1~18.04.2+esm1","binary_name":"golang-1.16-src"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-31525.json"}},{"package":{"name":"golang-golang-x-net-dev","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/golang-golang-x-net-dev?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.0+git20170629.c81e7f2+dfsg-1ubuntu1","1:0.0+git20170629.c81e7f2+dfsg-1ubuntu2","1:0.0+git20170629.c81e7f2+dfsg-2","1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm1","1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm2","1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-go.net-dev","binary_version":"1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm3"},{"binary_name":"golang-golang-x-net-dev","binary_version":"1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-31525.json"}},{"package":{"name":"golang-1.16","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/golang-1.16?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.2-0ubuntu1~20.04","1.16.2-0ubuntu1~20.04.1","1.16.2-0ubuntu1~20.04.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-1.16","binary_version":"1.16.2-0ubuntu1~20.04.1+esm1"},{"binary_name":"golang-1.16-go","binary_version":"1.16.2-0ubuntu1~20.04.1+esm1"},{"binary_name":"golang-1.16-src","binary_version":"1.16.2-0ubuntu1~20.04.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-31525.json"}},{"package":{"name":"golang-golang-x-net-dev","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/golang-golang-x-net-dev?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.0+git20190811.74dc4d7+dfsg-1","1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm1","1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm2","1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm3"],"ecosystem_specific":{"binaries":[{"binary_version":"1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm3","binary_name":"golang-go.net-dev"},{"binary_name":"golang-golang-x-net-dev","binary_version":"1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-31525.json"}}],"schema_version":"1.7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