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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-10740 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  AMZN
CVSS-B 6.9 MEDIUM
Vector:  CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://aws.amazon.com/security/security-bulletins/2026-042-aws/ AMZN
https://github.com/aws/s2n-quic/releases/tag/v1.82.0 AMZN
https://github.com/aws/s2n-quic/security/advisories/GHSA-9q54-f358-3fqf AMZN

Weakness Enumeration

CWE-ID CWE Name Source
CWE-770 Allocation of Resources Without Limits or Throttling AMZN  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-10740
NVD Published Date:
06/10/2026
NVD Last Modified:
06/10/2026
Source:
AMZN