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OpenAdvisories
Medium · 5.3 CVE-2026-10740 EUVD-2026-36103GHSA-9q54-f358-3fqf

Excessive memory allocation in s2n-quic

Published Jun 10, 2026 · Updated Jun 10, 2026 · Assigned by AMZN

Description

Unbounded memory allocation in the CRYPTO frame reassembler in s2n-quic before 1.8.2 may allow an unauthenticated remote actor to cause a denial of service (degraded availability) by sending crafted QUIC Initial packets.

To remediate this issue, users should upgrade to v1.8.2.

Affected products

VendorProductAffectedFixed
AWS s2n-quic ≤ 1.8.1 —

Affected packages

EcosystemPackageAffectedFixedRecord
crates.io s2n-quic < 1.82.0 1.82.0 GHSA-9q54-f358-3fqf

References