{"id":"CVE-2026-33814","summary":"Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net","details":"When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0.","aliases":["BIT-golang-2026-33814","GO-2026-4918"],"modified":"2026-07-17T18:29:40.597487706Z","published":"2026-05-07T19:41:17.631Z","related":["CGA-v7v4-9r6p-x7fc","SUSE-SU-2026:1861-1","SUSE-SU-2026:1862-1","SUSE-SU-2026:2049-1","SUSE-SU-2026:2078-1","SUSE-SU-2026:2079-1","SUSE-SU-2026:2092-1","SUSE-SU-2026:2093-1","SUSE-SU-2026:2096-1","SUSE-SU-2026:21804-1","SUSE-SU-2026:21805-1","SUSE-SU-2026:21881-1","SUSE-SU-2026:21915-1","SUSE-SU-2026:2192-1","SUSE-SU-2026:2193-1","SUSE-SU-2026:2194-1","SUSE-SU-2026:21952-1","SUSE-SU-2026:21987-1","SUSE-SU-2026:21989-1","SUSE-SU-2026:21991-1","SUSE-SU-2026:22001-1","SUSE-SU-2026:22066-1","SUSE-SU-2026:22075-1","SUSE-SU-2026:22128-1","SUSE-SU-2026:22133-1","SUSE-SU-2026:22159-1","SUSE-SU-2026:22181-1","SUSE-SU-2026:22193-1","SUSE-SU-2026:22224-1","SUSE-SU-2026:22226-1","SUSE-SU-2026:22242-1","SUSE-SU-2026:22249-1","SUSE-SU-2026:22285-1","SUSE-SU-2026:22320-1","SUSE-SU-2026:22328-1","SUSE-SU-2026:22367-1","SUSE-SU-2026:22424-1","SUSE-SU-2026:22443-1","SUSE-SU-2026:22456-1","SUSE-SU-2026:22513-1","SUSE-SU-2026:22546-1","SUSE-SU-2026:22558-1","SUSE-SU-2026:22567-1","SUSE-SU-2026:22572-1","SUSE-SU-2026:22638-1","SUSE-SU-2026:2280-1","SUSE-SU-2026:2315-1","SUSE-SU-2026:2322-1","SUSE-SU-2026:2325-1","SUSE-SU-2026:2339-1","SUSE-SU-2026:2340-1","SUSE-SU-2026:2342-1","SUSE-SU-2026:2343-1","SUSE-SU-2026:2344-1","SUSE-SU-2026:2345-1","SUSE-SU-2026:2348-1","SUSE-SU-2026:2372-1","SUSE-SU-2026:2460-1","SUSE-SU-2026:2466-1","SUSE-SU-2026:2484-1","SUSE-SU-2026:2581-1","SUSE-SU-2026:2609-1","SUSE-SU-2026:2611-1","SUSE-SU-2026:2612-1","SUSE-SU-2026:2639-1","SUSE-SU-2026:2640-1","SUSE-SU-2026:2643-1","SUSE-SU-2026:2665-1","SUSE-SU-2026:2692-1","SUSE-SU-2026:2830-1","SUSE-SU-2026:2850-1","SUSE-SU-2026:3056-1","SUSE-SU-2026:3057-1","openSUSE-RU-2026:21160-1","openSUSE-SU-2026:10723-1","openSUSE-SU-2026:10741-1","openSUSE-SU-2026:10762-1","openSUSE-SU-2026:10763-1","openSUSE-SU-2026:10822-1","openSUSE-SU-2026:10823-1","openSUSE-SU-2026:10824-1","openSUSE-SU-2026:10830-1","openSUSE-SU-2026:10842-1","openSUSE-SU-2026:10845-1","openSUSE-SU-2026:10847-1","openSUSE-SU-2026:10848-1","openSUSE-SU-2026:10849-1","openSUSE-SU-2026:10862-1","openSUSE-SU-2026:10889-1","openSUSE-SU-2026:10892-1","openSUSE-SU-2026:10908-1","openSUSE-SU-2026:10912-1","openSUSE-SU-2026:10921-1","openSUSE-SU-2026:11032-1","openSUSE-SU-2026:11050-1","openSUSE-SU-2026:11075-1","openSUSE-SU-2026:11107-1","openSUSE-SU-2026:11126-1","openSUSE-SU-2026:11144-1","openSUSE-SU-2026:11231-1","openSUSE-SU-2026:20762-1","openSUSE-SU-2026:20763-1","openSUSE-SU-2026:20834-1","openSUSE-SU-2026:20838-1","openSUSE-SU-2026:20854-1","openSUSE-SU-2026:20860-1","openSUSE-SU-2026:20892-1","openSUSE-SU-2026:20893-1","openSUSE-SU-2026:20956-1","openSUSE-SU-2026:20969-1","openSUSE-SU-2026:21010-1","openSUSE-SU-2026:21013-1","openSUSE-SU-2026:21060-1","openSUSE-SU-2026:21084-1","openSUSE-SU-2026:21108-1","openSUSE-SU-2026:21120-1","openSUSE-SU-2026:21151-1","openSUSE-SU-2026:21205-1","openSUSE-SU-2026:21210-1","openSUSE-SU-2026:21213-1","openSUSE-SU-2026:21247-1","openSUSE-SU-2026:21254-1","openSUSE-SU-2026:21319-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33814.json","unresolved_ranges":[{"extracted_events":[{"fixed":"0.53.0"},{"fixed":"1.25.10"},{"introduced":"1.26.0-0"},{"fixed":"1.26.3"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"Go"},"references":[{"type":"WEB","url":"https://go.dev/cl/761581"},{"type":"WEB","url":"https://go.dev/cl/761640"},{"type":"WEB","url":"https://go.dev/issue/78476"},{"type":"WEB","url":"https://groups.google.com/g/golang-announce/c/qcCIEXso47M"},{"type":"WEB","url":"https://pkg.go.dev"},{"type":"WEB","url":"https://pkg.go.dev/vuln/GO-2026-4918"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33814.json"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:23262"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:23264"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:33120"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:33123"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:33142"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:33150"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:34342"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:37387"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-33814"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33814.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33814"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2467815"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/golang/go","events":[{"introduced":"0"},{"fixed":"5053df5b6ff006dfc96df442fddddee4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