CVE-2026-80598

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.

CVSS 3.1

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

EPSS

0.2% chance of exploitation in the next 30 days; higher than 7% of CVEs (scores of 2026-10-25)

Published

2026-08-28

Modified

2026-10-16

Record from

the NVD, synced 2026-10-19

References

• https://git.kernel.org/stable/c/1113fa5b01a47a1a4cdbb9c695197ca6215f02a8
• https://git.kernel.org/stable/c/61415ffa365d2eca6986914afd0d1412444aa1dd
• https://git.kernel.org/stable/c/7160a57192fb16d7a6fa9b7f5c7ac341d2444a89
• https://git.kernel.org/stable/c/a93980141253c932aa6ae5d4422d90e0162dc774
• https://git.kernel.org/stable/c/bd77afca2ae9b6d44d37902e3ad672ebb028b070

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