{"action":"Upgrade putty to 0.81-r0 or later.","affected":[{"fixed":"0.81-r0","introduced":"0.68"}],"component":"putty","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.16","exploited":false,"fixed_versions":["0.81-r0"],"id":"tcs_01M5NF2FPWF50P90SD0QPQNVD3","modified_at":"2026-09-15T08:17:48.460030729Z","published_at":"2024-04-15T20:15:11.077Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2024-31497","https://security.alpinelinux.org/vuln/CVE-2024-31497"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2024-31497","url":"https://osv.dev/vulnerability/ALPINE-CVE-2024-31497"}],"summary":"In PuTTY 0.68 through 0.80 before 0.81, biased ECDSA nonce generation allows an attacker to recover a user's NIST P-521 secret key via a quick attack in approximately 60 signatures. This is especially"}