CVE-2026-10740

5.3 MEDIUM
Published: June 10, 2026 Modified: June 10, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://aws.amazon.com/security/security-bulletins/2026-042-aws/
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5
https://github.com/aws/s2n-quic/releases/tag/v1.82.0
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.3 / 10.0
EPSS (Exploit Probability)
0.0%
11th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)