{"action":"Upgrade zebrad to 4.5.0 or later.","affected":[{"fixed":"4.5.0","introduced":"0"}],"component":"zebrad","cve_ids":[],"ecosystem":"crates.io","exploited":false,"fixed_versions":["4.5.0"],"ghsa_id":"GHSA-h72h-ppcx-998p","id":"tcs_01M5KF0D5CZS8XBWN3MSN7F5BG","modified_at":"2026-07-02T19:45:30.246676416Z","published_at":"2026-07-02T19:42:05Z","references":["https://osv.dev/vulnerability/GHSA-h72h-ppcx-998p","https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-h72h-ppcx-998p","https://github.com/ZcashFoundation/zebra","https://github.com/ZcashFoundation/zebra/blob/d4cd662c716382f6397d2a730148025a1ca79fec/zebra-network/src/peer/handshake.rs#L917-L934","https://github.com/ZcashFoundation/zebra/blob/d4cd662c716382f6397d2a730148025a1ca79fec/zebra-network/src/protocol/external/codec.rs#L359-L416"],"severity":{"label":"low","score":3.7},"sources":[{"source":"osv","source_id":"GHSA-h72h-ppcx-998p#crates.io/zebrad","url":"https://osv.dev/vulnerability/GHSA-h72h-ppcx-998p"}],"summary":"Zebra has pre-handshake buffer capacity reservation based on attacker-claimed body length"}