{"id":"CVE-2026-43798","details":"A single crafted SSH message gives an unauthenticated network attacker an out-of-bounds stack write of attacker-controlled length and content against any application built on swift-nio-ssh. This vulnerability is addressed in swift-nio-ssh version 0.14.1.","aliases":["GHSA-998x-vgvp-xwpc"],"modified":"2026-09-05T08:04:48.549183Z","published":"2026-08-20T21:17:06.580Z","references":[{"type":"FIX","url":"https://github.com/apple/swift-nio-ssh/security/advisories/GHSA-998x-vgvp-xwpc"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apple/swift-nio-ssh","events":[{"introduced":"0"},{"fixed":"31cdc3c3391a10460dedf1170530cf651d2ca496"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"0.14.1"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:apple:swiftnio_ssh:*:*:*:*:*:swift:*:*"}}],"versions":["0.14.0","0.13.0","0.12.0","0.11.0","0.10.0","0.9.1","0.9.0","0.8.0","0.7.1","0.7.0","0.6.1","0.6.0","0.5.0","0.4.1","0.4.0","0.3.3","0.3.2","0.3.1","0.3.0","0.2.1","0.2.0","0.1.0","0.0.2","0.0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43798.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}