{"id":"RUSTSEC-2026-0510","summary":"Panic when decoding malformed Ed25519 keys from Base64","details":"In version 0.11.1 and earlier of vodozemac, Ed25519PublicKey::from_base64() and\nEd25519SecretKey::from_base64() panic on malformed input instead of returning an\nerror, if the input decodes to 31 or 33 bytes instead of the expected 32 bytes.\nAn attacker who can supply a key to an application using vodozemac can crash it.\n\n## Impact\n\nEd25519 public keys are routinely received from other Matrix users and servers,\nso a malicious party can publish a crafted key that crashes clients parsing it.\n\nThe impact is limited to denial of service; no key disclosure or signature\nforgery is possible.","aliases":["GHSA-pqp6-f7wc-6498"],"modified":"2026-11-12T14:30:06.142752344Z","published":"2026-11-11T12:00:00Z","database_specific":{"license":"CC0-1.0"},"references":[{"type":"PACKAGE","url":"https://crates.io/crates/vodozemac"},{"type":"ADVISORY","url":"https://rustsec.org/advisories/RUSTSEC-2026-0510.html"},{"type":"WEB","url":"https://github.com/matrix-org/vodozemac/pull/453"}],"affected":[{"package":{"name":"vodozemac","ecosystem":"crates.io","purl":"pkg:cargo/vodozemac"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.0.0-0"},{"fixed":"0.11.2"}]}],"ecosystem_specific":{"affects":{"arch":[],"os":[],"functions":["vodozemac::Ed25519PublicKey::from_base64","vodozemac::Ed25519SecretKey::from_base64"]},"affected_functions":null},"database_specific":{"categories":["denial-of-service"],"cvss":null,"informational":null,"source":"https://github.com/rustsec/advisory-db/blob/osv/crates/RUSTSEC-2026-0510.json"}}],"schema_version":"1.9.2"}