{"id":"RUSTSEC-2026-0258","revision":"78470cdb87524fa5a3ee360d2f503fd4","records":[{"revision":"78470cdb87524fa5a3ee360d2f503fd4","observedAt":"2026-10-24T13:19:54.901+00:00","statement":{"source":"osv","id":"RUSTSEC-2026-0258","aliases":["GHSA-q83h-524g-xf6h"],"title":"h2 unbounded empty DATA frames","description":"The h2 crate, used internally by hyper, had a flaw that would accept and queue empty DATA frames without limit.\nIf streams were not actively drained, this could lead to unbounded memory usage, or a panic if the length overflows.\n\nLow severity.\n\nPatched in v0.4.16.","state":0,"publishedAt":"2026-08-17T12:00:00+00:00","modifiedAt":"2026-10-12T18:00:10.9345817+00:00","affected":[{"ecosystem":"crates.io","name":"h2","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0.0.0-0"},{"kind":"fixed","version":"0.4.16"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://crates.io/crates/h2","https://rustsec.org/advisories/RUSTSEC-2026-0258.html","https://github.com/hyperium/h2/pull/935"],"sourceUrl":"https://osv.dev/vulnerability/RUSTSEC-2026-0258","license":"OSV · upstream source license applies","key":"osv:RUSTSEC-2026-0258","identifiers":["RUSTSEC-2026-0258","GHSA-q83h-524g-xf6h"]},"retained":false,"historicalAffected":[]}],"coverage":[]}