{"id":"UBUNTU-CVE-2023-39322","details":"QUIC connections do not set an upper bound on the amount of data buffered when reading post-handshake messages, allowing a malicious QUIC connection to cause unbounded memory growth. With fix, connections now consistently reject messages larger than 65KiB in size.","modified":"2025-07-16T07:46:12.052345Z","published":"2023-09-08T17:15:00Z","withdrawn":"2025-07-18T16:54:36Z","upstream":["CVE-2023-39322"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-39322"},{"type":"REPORT","url":"https://go.dev/issue/62266"},{"type":"REPORT","url":"https://github.com/golang/go/commit/91a4e74b98179f63a27dbff1ad68ddd0ed64363a"},{"type":"REPORT","url":"https://groups.google.com/g/golang-announce/c/Fm51GRLNRvM"},{"type":"REPORT","url":"https://groups.google.com/g/golang-dev/c/2C5vbR-UNkI/m/L1hdrPhfBAAJ"},{"type":"REPORT","url":"https://go.dev/cl/523039"},{"type":"REPORT","url":"https://pkg.go.dev/vuln/GO-2023-2045"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-39322"}],"affected":[{"package":{"name":"golang-1.21","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/golang-1.21@1.21.1-1~ubuntu20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.21.1-1~ubuntu20.04.1"}]}],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"golang-1.21","binary_version":"1.21.1-1~ubuntu20.04.1"},{"binary_name":"golang-1.21-doc","binary_version":"1.21.1-1~ubuntu20.04.1"},{"binary_name":"golang-1.21-go","binary_version":"1.21.1-1~ubuntu20.04.1"},{"binary_name":"golang-1.21-src","binary_version":"1.21.1-1~ubuntu20.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-39322.json"}},{"package":{"name":"golang-1.21","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/golang-1.21@1.21.1-1~ubuntu22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.21.1-1~ubuntu22.04.1"}]}],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"golang-1.21","binary_version":"1.21.1-1~ubuntu22.04.1"},{"binary_name":"golang-1.21-doc","binary_version":"1.21.1-1~ubuntu22.04.1"},{"binary_name":"golang-1.21-go","binary_version":"1.21.1-1~ubuntu22.04.1"},{"binary_name":"golang-1.21-src","binary_version":"1.21.1-1~ubuntu22.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-39322.json"}},{"package":{"name":"golang-1.21","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/golang-1.21@1.21.5-1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.21.5-1"}]}],"versions":["1.21.1-1","1.21.3-1","1.21.4-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"golang-1.21","binary_version":"1.21.5-1"},{"binary_name":"golang-1.21-doc","binary_version":"1.21.5-1"},{"binary_name":"golang-1.21-go","binary_version":"1.21.5-1"},{"binary_name":"golang-1.21-src","binary_version":"1.21.5-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-39322.json"}}],"schema_version":"1.7.3","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"}]}