{"id":"UBUNTU-CVE-2025-22871","details":"The net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines. This can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as part of a chunk-ext.","modified":"2026-06-02T16:00:13.552462302Z","published":"2025-04-08T20:15:00Z","upstream":["CVE-2025-22871"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-22871"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-22871"},{"type":"REPORT","url":"https://groups.google.com/g/golang-announce/c/Y2uBTVKjBQk/m/cs_6qIK5BAAJ"},{"type":"REPORT","url":"https://github.com/golang/go/issues/71988"}],"affected":[{"package":{"name":"golang-1.10","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/golang-1.10?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10.4-2ubuntu1~14.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.10.4-2ubuntu1~14.04.1","binary_name":"golang-1.10"},{"binary_name":"golang-1.10-go","binary_version":"1.10.4-2ubuntu1~14.04.1"},{"binary_name":"golang-1.10-src","binary_version":"1.10.4-2ubuntu1~14.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-22871.json"}},{"package":{"name":"golang-1.10","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/golang-1.10?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10.4-2ubuntu1~16.04.1","1.10.4-2ubuntu1~16.04.2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.10.4-2ubuntu1~16.04.2","binary_name":"golang-1.10"},{"binary_name":"golang-1.10-go","binary_version":"1.10.4-2ubuntu1~16.04.2"},{"binary_name":"golang-1.10-src","binary_version":"1.10.4-2ubuntu1~16.04.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-22871.json"}},{"package":{"name":"golang-1.6","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/golang-1.6?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6-0ubuntu1","1.6-0ubuntu2","1.6-0ubuntu3","1.6-0ubuntu4","1.6-0ubuntu5","1.6.1-0ubuntu1","1.6.2-0ubuntu5~16.04","1.6.2-0ubuntu5~16.04.2","1.6.2-0ubuntu5~16.04.3","1.6.2-0ubuntu5~16.04.4"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-1.6","binary_version":"1.6.2-0ubuntu5~16.04.4"},{"binary_name":"golang-1.6-go","binary_version":"1.6.2-0ubuntu5~16.04.4"},{"binary_name":"golang-1.6-src","binary_version":"1.6.2-0ubuntu5~16.04.4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-22871.json"}},{"package":{"name":"golang-1.13","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/golang-1.13?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.13.8-1ubuntu1~16.04.2","1.13.8-1ubuntu1~16.04.3","1.13.8-1ubuntu1~16.04.3+esm2","1.13.8-1ubuntu1~16.04.3+esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-1.13","binary_version":"1.13.8-1ubuntu1~16.04.3+esm3"},{"binary_name":"golang-1.13-go","binary_version":"1.13.8-1ubuntu1~16.04.3+esm3"},{"binary_name":"golang-1.13-src","binary_version":"1.13.8-1ubuntu1~16.04.3+esm3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-22871.json"}},{"package":{"name":"golang-1.18","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/golang-1.18?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.18.1-1ubuntu1~16.04.6","1.18.1-1ubuntu1~16.04.6+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-1.18","binary_version":"1.18.1-1ubuntu1~16.04.6+esm1"},{"binary_name":"golang-1.18-go","binary_version":"1.18.1-1ubuntu1~16.04.6+esm1"},{"binary_name":"golang-1.18-src","binary_version":"1.18.1-1ubuntu1~16.04.6+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-22871.json"}},{"package":{"name":"golang-1.10","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/golang-1.10?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10~rc1-1","1.10~rc1-1ubuntu1","1.10~rc1-2ubuntu1","1.10~rc2-1ubuntu1","1.10-1ubuntu1","1.10.1-1ubuntu2","1.10.4-2ubuntu1~18.04.1","1.10.4-2ubuntu1~18.04.2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.10.4-2ubuntu1~18.04.2","binary_name":"golang-1.10"},{"binary_version":"1.10.4-2ubuntu1~18.04.2","binary_name":"golang-1.10-go"},{"binary_name":"golang-1.10-src","binary_version":"1.10.4-2ubuntu1~18.04.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-22871.json"}},{"package":{"name":"golang-1.13","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/golang-1.13?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.13.8-1ubuntu1~18.04.2","1.13.8-1ubuntu1~18.04.3","1.13.8-1ubuntu1~1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