{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"wolfssl","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NRV6C8KA4SCFD7QVQB988Z","modified_at":"2026-10-01T03:03:10.916869188Z","published_at":"2026-03-19T21:17:12.823Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-3549","https://security-tracker.debian.org/tracker/CVE-2026-3549"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-3549","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-3549"}],"summary":"Heap Overflow in TLS 1.3 ECH parsing. An integer underflow existed in ECH extension parsing logic when calculating a buffer length, which resulted in writing beyond the bounds of an allocated buffer."}