CVE-2026-80598

HighCVSS 7.8/10Last modified Oct 16, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

ntfs3: fix out-of-bounds read in decompress_lznt

decompress_lznt() does not validate array index bounds before accessing the decompression table. A corrupted NTFS3 image with invalid compressed data can trigger an out-of-bounds read.

Add index bounds checking to prevent the OOB access.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

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

No affected versions have been published.

Timeline

Published
Aug 28, 2026
Last modified
Oct 16, 2026
NVD status
Received

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CVE-2026-80598: High severity, CVSS 7.8 | Vulnix