Vulnerability Details CVE-2026-46569
In NTFS-3G before 2026.7.7, a heap buffer overflow exists in ntfs_ib_copy_tail(), in libntfs-3g/index.c, that allows an attacker to corrupt heap memory in the SUID-root ntfs-3g binary by crafting a malicious NTFS image. The overflow is triggered by extending a directory, e.g., by creating a file.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 5.7%
CVSS Severity
CVSS v3 Score 7.7
References
Products affected by CVE-2026-46569
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cpe:2.3:a:tuxera:ntfs-3g:-
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cpe:2.3:a:tuxera:ntfs-3g:2009.1.1
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cpe:2.3:a:tuxera:ntfs-3g:2009.11.14
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cpe:2.3:a:tuxera:ntfs-3g:2009.2.1
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cpe:2.3:a:tuxera:ntfs-3g:2009.3.8
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cpe:2.3:a:tuxera:ntfs-3g:2009.4.4
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cpe:2.3:a:tuxera:ntfs-3g:2010.1.16
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cpe:2.3:a:tuxera:ntfs-3g:2010.10.2
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cpe:2.3:a:tuxera:ntfs-3g:2010.3.6
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cpe:2.3:a:tuxera:ntfs-3g:2010.5.16
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cpe:2.3:a:tuxera:ntfs-3g:2010.5.22
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cpe:2.3:a:tuxera:ntfs-3g:2010.8.8
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cpe:2.3:a:tuxera:ntfs-3g:2011.1.15
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cpe:2.3:a:tuxera:ntfs-3g:2011.4.12
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cpe:2.3:a:tuxera:ntfs-3g:2012.1.15
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cpe:2.3:a:tuxera:ntfs-3g:2013.1.13
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cpe:2.3:a:tuxera:ntfs-3g:2014.2.15
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cpe:2.3:a:tuxera:ntfs-3g:2015.3.14
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cpe:2.3:a:tuxera:ntfs-3g:2016.2.22
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cpe:2.3:a:tuxera:ntfs-3g:2017.3.23
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cpe:2.3:a:tuxera:ntfs-3g:2021.8.22
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cpe:2.3:a:tuxera:ntfs-3g:2022.10.3
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cpe:2.3:a:tuxera:ntfs-3g:2022.5.17