CVE-2026-88840

Publication date 24 September 2026

Last updated 24 September 2026


Ubuntu priority

Cvss 3 Severity Score

5.3 · Medium

Score breakdown

Description

BusyBox TLS get_client_hello() reads past the end of the input buffer when parsing a truncated ClientHello message.

Status

Package Ubuntu Release Status
busybox 26.04 LTS resolute
Needs evaluation
24.04 LTS noble
Needs evaluation
22.04 LTS jammy
Needs evaluation
20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty
Needs evaluation

Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.3 · Medium

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N


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