CVE-2026-10740

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.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://aws.amazon.com/security/security-bulletins/2026-042-aws/
https://github.com/aws/s2n-quic/releases/tag/v1.82.0
https://github.com/aws/s2n-quic/security/advisories/GHSA-9q54-f358-3fqf

Configurations

No configuration.

History

10 Jun 2026, 19:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-10 19:16

Updated : 2026-06-10 20:19

NVD link : CVE-2026-10740

Mitre link : CVE-2026-10740

CVE.ORG link : CVE-2026-10740

JSON object : View

Products Affected

No product.

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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