rustls: ECH rejection can expose buffered application data to authenticated outer server before `ech_required` alert

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

GHSA-vp88-798v-h67f

RUSTSEC-2026-0347

osv · GHSA-vp88-798v-h67f

• https://github.com/rustls/rustls/security/advisories/GHSA-vp88-798v-h67f
• https://github.com/rustls/rustls/pull/3300
• https://github.com/rustls/rustls/pull/3354
• https://github.com/rustls/rustls/commit/2bd5c0cefabb2c5fd4100383a736d59f9671b9b4
• https://github.com/rustls/rustls/commit/4de14a508fbfa2273203ec17d9dfdd0fbd29e8d1
• https://github.com/rustls/rustls/commit/7dcbe4c1ae12185237d22e9197583329630a2014
• https://github.com/rustls/rustls
• https://github.com/rustls/rustls/releases/tag/v/0.23.46
• https://rustsec.org/advisories/RUSTSEC-2026-0347.html

osv · RUSTSEC-2026-0347

• https://crates.io/crates/rustls
• https://rustsec.org/advisories/RUSTSEC-2026-0347.html
• https://github.com/rustls/rustls/pull/3300

No related operational record is retained in the current change model.