{"id":"ALPINE-CVE-2026-92389","details":"libcurl's TFTP state machine fails to validate state transitions against the\nrequested transfer direction, accepting opening server responses for both\nreads and writes interchangeably. A malicious TFTP server can respond to a\ndownload request in a way that forces the client into transmit mode, prompting\nlibcurl to consume and transmit data from the handle's persistent\n`CURLOPT_READDATA` pointer - including data remaining from unrelated prior\noperations, such as an HTTP POST request executed on a reused handle.","modified":"2026-10-25T16:30:04.533932038Z","published":"2026-10-20T21:17:21.457Z","upstream":["CVE-2026-92389"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2026-92389"}],"affected":[{"package":{"name":"curl","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/curl?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.23.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-92389.json"}},{"package":{"name":"curl","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/curl?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.23.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-92389.json"}}],"schema_version":"1.9.0"}