CVE-2026-111135

Medium

Description

libfwsi through 20260522 contains a heap out-of-bounds read vulnerability in libfwsi_mtp_volume_values_read_data() that allows attackers to read past buffer bounds via crafted MTP volume shell items. Attackers can embed a 10 to 53 byte shell item with item data size of 44 or more in a .lnk file, jump list or shell bag to crash consuming processes.

SeverityMedium
CVSS6.1
Exploit probability—
ProductLibyal Libfwsi
PublishedOct 15, 2026
First seenOct 15, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
libyal libfwsiv ≤ 20260522—

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