Use After Free Affecting quiche package, versions >=0.20.0 <0.29.2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RUST-QUICHE-17660670
- published27 Jun 2026
- disclosed19 Jun 2026
- creditLPardue
Introduced: 19 Jun 2026
NewCVE-2026-11941 (opens in a new tab)How to fix?
Upgrade quiche to version 0.29.2 or higher.
Overview
Affected versions of this package are vulnerable to Use After Free in the quiche_connection_id_iter_next and quiche_conn_retired_scid_next functions. An attacker can cause undefined behavior, including process crashes or limited information disclosure, by invoking these FFI functions and dereferencing freed memory. This is only exploitable if the FFI API is enabled at build time.