In NTFS-3G through 2026.2.25, an out-of-bounds read exists in ntfs_ir_nill() in libntfs-3g/index.c that allows an attacker to read possibly confidential information in an ntfs-3g process by crafting a malicious NTFS image. This read operation is triggered by creation of a file with a crafted name.
{
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56136.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "3G"
},
{
"last_affected": "2026.2.25"
}
],
"source": "DESCRIPTION"
},
{
"cpe": "cpe:2.3:a:tuxera:ntfs-3g:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "2026.7.7"
}
],
"source": "CPE_RANGE"
}
]
}