CVE-2026-10740
Excessive memory allocation in s2n-quic
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-770 |
| Vendor | aws |
| Product | s2n-quic |
| Published | Jun 10, 2026 |
| Last Updated | Jun 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
AWS / s2n-quic
0 ≤ 1.8.1