CVE-2026-88830

HIGHCVSS 7.5

Description

A unit confusion in BusyBox TLS Montgomery reduction buffer allocation causes a pre-authentication heap buffer overflow when processing a crafted ClientKeyExchange message.

Timeline

Published:September 23rd, 2026 5:17 PM

Last modified:September 23rd, 2026 8:17 PM

CVSS Scoring

CVSS v3: 7.5 (HIGH)

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

Weaknesses (CWE)

CWE-131

References & Reports

Advisories, patches, and third-party reports

https://access.redhat.com/security/cve/CVE-2026-88830
https://bugzilla.redhat.com/show_bug.cgi?id=2531344

Source: NIST NVD · Data may lag official sources by up to one minute