CVE-2026-10740

Published Jun 10, 2026

Last updated 4 days ago

CVSS medium 6.9

Overview

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.
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5
NVD status: Awaiting Analysis

Risk scores

CVSS 4.0

Type: Secondary
Base score: 6.9
Impact score: -
Exploitability score: -
Vector string: 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Severity: MEDIUM

CVSS 3.1

Type: Secondary
Base score: 5.3
Impact score: 1.4
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Severity: MEDIUM

Weaknesses

ff89ba41-3aa1-4d27-914a-91399e9639e5: CWE-770

Hype score: Not currently trending

References

Sources include official advisories and independent security research.