CVE-2026-110713

Medium

Description

libsmb2 through 6.2 contains a heap out-of-bounds read vulnerability in smb2_decode_file_fs_volume_info and smb2_decode_file_fs_attribute_info that allows malicious SMB servers to read past reply buffers. Attackers controlling a server or intercepting unsigned sessions can send crafted QUERY_INFO replies with missing or oversized name lengths to crash the client.

SeverityMedium
CVSS6.5
Exploit probability—
ProductSahlberg Libsmb2
PublishedOct 14, 2026
First seenOct 14, 2026

How to fix

Affected products

ProductAffected versionsFixed in
sahlberg libsmb2v ≤ 6.2—

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