CVE-2026-88839

MediumCVSS 6.7/10Last modified Sep 25, 2026

Description

BusyBox passwd/group tokenize() references a stale endpoint pointer after trimming, causing an out-of-bounds write of heap pointers.

Metrics

CVSS 3.1 6.7/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Sep 23, 2026
Last modified
Sep 25, 2026
NVD status
Awaiting Analysis

Related CVEs from 2026

CVE-2026-88846.4The Instant-Quote.co Quotation Page plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Shortcode Attributes in all versioCVE-2026-888405.3BusyBox TLS get_client_hello() reads past the end of the input buffer when parsing a truncated ClientHello message.CVE-2026-888423.3A flaw was found in BusyBox dpkg. The write_status_file() function does not reset a field cursor between package stanzas. When two packages CVE-2026-888437.2The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not validate one of its display-style settings before using it to CVE-2026-888442.7The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not verify that the requesting user owns the course before returniCVE-2026-888454.3The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not perform any capability or nonce checks on an administrative maCVE-2026-888465.3The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not check whether user registration is enabled on the site before CVE-2026-888474.3The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not verify that a user is enrolled in a course before recording leCVE-2026-888484.2The MasterStudy LMS WordPress plugin from 1.9 before 3.7.50 does not verify that a course a member asks to enrol in is covered by their membCVE-2026-888492.7The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.55 does not verify that a user targeted through its student-enrolment featCVE-2026-88856.4The DeMomentSomTres Shortcodes plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'callout' shortcode in allCVE-2026-888527.5Joomla Extension - regularlabs.com - Privileged stored XSS via url option in Snippets Free extension for Joomla < 7.0.0, Snippets Pro extens
CVE-2026-88839: Medium severity, CVSS 6.7 | Vulnix