{"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_01M6HC0YADSDRMVHWPR5DJ356N","modified_at":"2026-11-03T06:33:06.244055973Z","published_at":"2026-04-10T06:16:05.243Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-5477","https://security.alpinelinux.org/vuln/CVE-2026-5477"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-5477","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-5477"}],"summary":"An integer overflow existed in the wolfCrypt CMAC implementation, that could be exploited to forge CMAC tags. The function wc_CmacUpdate used the guard `if (cmac->totalSz != 0)` to skip XOR-chaining o"}