libsmb2 through 6.2 Heap Out-of-Bounds Read via File System Info Decoders
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.
CVE-2026-110713
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-110713
libsmb2
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://github.com/sahlberg/libsmb2",
"vendor": "sahlberg",
"product": "libsmb2",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "custom",
"lessThanOrEqual": "6.2"
}
],
"collectionURL": "https://github.com/sahlberg/libsmb2",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-110713
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #23109 · Revision 1
- Added to Heist Feed
- Publisher date