{"action":"Upgrade wolfssl to 5.9.1-r0 or later.","affected":[{"fixed":"5.9.1-r0","introduced":"0"}],"component":"wolfssl","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.23","exploited":false,"fixed_versions":["5.9.1-r0"],"id":"tcs_01M6H9R6J52WRYTS92Y1VE7KKY","modified_at":"2026-11-03T06:33:03.321080655Z","published_at":"2026-04-09T22:16:36.790Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-5264","https://security.alpinelinux.org/vuln/CVE-2026-5264"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-5264","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-5264"}],"summary":"Heap buffer overflow in DTLS 1.3 ACK message processing. A remote attacker can send a crafted DTLS 1.3 ACK message that triggers a heap buffer overflow."}