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.
CVE-2026-56136 is fixed in 4 products on 1 platform, first by libntfs-3g89t64 1:2022.10.3-5ubuntu1.1, released July 15, 2026. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libntfs-3g89 · Ubuntu 22.04.1 LTS (jammy) | 1:2021.8.22-3ubuntu1.4 | libntfs-3g89 1:2021.8.22-3ubuntu1.4 | Jul 18, 2026 |
| libntfs-3g89t64 · Ubuntu 24.04.5 LTS (noble) | 1:2022.10.3-1.2ubuntu3.2 | libntfs-3g89t64 1:2022.10.3-1.2ubuntu3.2 | Jul 18, 2026 |
| libntfs-3g89t64 · Ubuntu 26.04.1 LTS (resolute) | 1:2022.10.3-5ubuntu1.1 | libntfs-3g89t64 1:2022.10.3-5ubuntu1.1 | Jul 15, 2026 |
| ntfs-3g · Debian 12.15 (bookworm) | 1:2022.10.3-1+deb12u4 | DEBIAN-CVE-2026-56136 | Jul 18, 2026 |
| ntfs-3g · Debian 13.5 (trixie) | 1:2022.10.3-5+deb13u2 | DEBIAN-CVE-2026-56136 | Jul 18, 2026 |
| ntfs-3g · Debian 14 | 1:2026.7.7-2 | DEBIAN-CVE-2026-56136 | Jul 18, 2026 |
| ntfs-3g · Ubuntu 22.04.1 LTS (jammy) | 1:2021.8.22-3ubuntu1.4 | ntfs-3g 1:2021.8.22-3ubuntu1.4 | Jul 18, 2026 |
| ntfs-3g · Ubuntu 24.04.5 LTS (noble) | 1:2022.10.3-1.2ubuntu3.2 | ntfs-3g 1:2022.10.3-1.2ubuntu3.2 | Jul 18, 2026 |
| ntfs-3g · Ubuntu 26.04.1 LTS (resolute) | 1:2022.10.3-5ubuntu1.1 | ntfs-3g 1:2022.10.3-5ubuntu1.1 | Jul 15, 2026 |
| ntfs-3g_ntfsprogs · opensuse-leap 16.0 | 2022.10.3-160000.4.1 | OPENSUSE-SU-2026:21484-1 | Jul 30, 2026 |
| ntfs-3g_ntfsprogs · sles 15.6 | 2022.5.17-150000.3.27.1 | SUSE-SU-2026:3214-1 | Jul 23, 2026 |
| ntfs-3g_ntfsprogs · sles 15.7 | 2022.5.17-150000.3.27.1 | SUSE-SU-2026:3214-1 | Jul 23, 2026 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.