{"schema_version":"1.9.0","id":"BIT-golang-2026-32283","published":"2026-04-13T05:43:44.464Z","modified":"2026-09-08T08:47:49.864762656Z","aliases":["CVE-2026-32283","GO-2026-4870"],"summary":"Unauthenticated TLS 1.3 KeyUpdate record can cause persistent connection retention and DoS in crypto/tls","details":"If one side of the TLS connection sends multiple key update messages post-handshake in a single record, the connection can deadlock, causing uncontrolled consumption of resources. This can lead to a denial of service. This only affects TLS 1.3.","affected":[{"package":{"name":"golang","ecosystem":"Bitnami","purl":"pkg:bitnami/golang"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.25.9"},{"introduced":"1.26.0-0"},{"fixed":"1.26.2"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/golang/BIT-golang-2026-32283.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}],"references":[{"type":"FIX","url":"https://go.dev/cl/763767"},{"type":"REPORT","url":"https://go.dev/issue/78334"},{"type":"DISCUSSION","url":"https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32283"},{"type":"ADVISORY","url":"https://pkg.go.dev/vuln/GO-2026-4870"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:10217"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:10219"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:10704"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:11507"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:11514"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:11704"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:11711"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:11712"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:11863"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:11881"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:14162"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:14200"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:14391"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:15980"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:16021"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:16024"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:16101"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:16102"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:16875"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:17075"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:17084"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:17287"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:18027"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:18032"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19126"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19132"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19133"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19134"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19135"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19136"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19137"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19139"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19144"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19156"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19350"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19351"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19352"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19353"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19369"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19450"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19550"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19634"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19714"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19715"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19719"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19720"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19721"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19722"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19750"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:19839"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:20556"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:20569"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:20570"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:20571"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:20607"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:20608"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:20609"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:21769"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2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