========================================================================== Ubuntu Security Notice USN-8554-1 July 16, 2026
ntfs-3g vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 26.04 LTS - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: Several security issues were fixed in NTFS-3G. Software Description: - ntfs-3g: read/write NTFS driver for FUSE Details: It was discovered that NTFS-3G had a heap buffer overflow when reading certain NTFS images. A local attacker could possibly use this issue to execute arbitrary code. (CVE-2026-42616) It was discovered that NTFS-3G had multiple heap buffer overflows when processing certain NTFS images. A local attacker could possibly use these issues to execute arbitrary code. (CVE-2026-42617, CVE-2026-42618, CVE-2026-46569, CVE-2026-46570, CVE-2026-46572, CVE-2026-56135) It was discovered that NTFS-3G had out-of-bounds reads when processing certain NTFS images. A local attacker could possibly use these issues to obtain sensitive information. (CVE-2026-46571, CVE-2026-56136) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 26.04 LTS libntfs-3g89t64 1:2022.10.3-5ubuntu1.1 ntfs-3g 1:2022.10.3-5ubuntu1.1 Ubuntu 24.04 LTS libntfs-3g89t64 1:2022.10.3-1.2ubuntu3.2 ntfs-3g 1:2022.10.3-1.2ubuntu3.2 Ubuntu 22.04 LTS libntfs-3g89 1:2021.8.22-3ubuntu1.4 ntfs-3g 1:2021.8.22-3ubuntu1.4 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-8554-1 CVE-2026-42616, CVE-2026-42617, CVE-2026-42618, CVE-2026-46569, CVE-2026-46570, CVE-2026-46571, CVE-2026-46572, CVE-2026-56135, CVE-2026-56136 Package Information: https://launchpad.net/ubuntu/+source/ntfs-3g/1:2022.10.3-5ubuntu1.1 https://launchpad.net/ubuntu/+source/ntfs-3g/1:2022.10.3-1.2ubuntu3.2 https://launchpad.net/ubuntu/+source/ntfs-3g/1:2021.8.22-3ubuntu1.4
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