{"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_01M6HC0Z50JXP7DRNXCM9Z6MXT","modified_at":"2026-11-03T06:33:06.250334623Z","published_at":"2026-04-09T23:17:01.400Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-5504","https://security.alpinelinux.org/vuln/CVE-2026-5504"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-5504","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-5504"}],"summary":"A padding oracle exists in wolfSSL's PKCS7 CBC decryption that could allow an attacker to recover plaintext through repeated decryption queries with modified ciphertext. In previous versions of wolfSS"}