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CVE-2026-80598

HIGHCVSS 7.8/10EPSS 0.13%

Last modified

CVE-2026-80598 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.13% chance of exploitation in the next 30 days.

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
7.8/10

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

EPSS Probability
0.13%

2.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 522e010b58379fbe19b38fdef5016bca0c3cf405, < 1113fa5b01a47a1a4cdbb9c695197ca6215f02a8; >= 522e010b58379fbe19b38fdef5016bca0c3cf405, < 61415ffa365d2eca6986914afd0d1412444aa1dd; >= 522e010b58379fbe19b38fdef5016bca0c3cf405, < bd77afca2ae9b6d44d37902e3ad672ebb028b070; >= 522e010b58379fbe19b38fdef5016bca0c3cf405, < c694f8ea2611e7413b3f04ee47e04a9b7b45817b; >= 522e010b58379fbe19b38fdef5016bca0c3cf405, < ff05a98150ebb2b03919a9c05c576681e86abbb7; >= 522e010b58379fbe19b38fdef5016bca0c3cf405, < a93980141253c932aa6ae5d4422d90e0162dc774; >= 522e010b58379fbe19b38fdef5016bca0c3cf405, < 7160a57192fb16d7a6fa9b7f5c7ac341d2444a89
LinuxLinux5.15

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is 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.
How severe is CVE-2026-80598?
CVE-2026-80598 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.
How do I fix CVE-2026-80598?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST