7.8
CWE
119 20 125
Advisory Published
CVE Published
Updated

CVE-2021-39253: Buffer Overflow

First published: Mon Aug 30 2021(Updated: )

A crafted NTFS image can cause an out-of-bounds read in ntfs_runlists_merge_i in NTFS-3G < 2021.8.22.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/ntfs3g<2021.8.22
2021.8.22
debian/ntfs-3g
1:2017.3.23AR.3-4+deb11u3
1:2022.10.3-1
1:2022.10.3-3
ntfs-3g<2021.8.22
Debian=9.0
Debian=10.0
Debian=11.0
Fedora=33
Fedora=35

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2021-39253?

    CVE-2021-39253 is classified as a medium severity vulnerability due to the potential for an out-of-bounds read.

  • How do I fix CVE-2021-39253?

    To fix CVE-2021-39253, update ntfs-3g to version 2021.8.22 or later for Red Hat and Tuxera, or to the appropriate patched version for Debian.

  • What versions are affected by CVE-2021-39253?

    CVE-2021-39253 affects ntfs-3g versions prior to 2021.8.22.

  • Can CVE-2021-39253 be exploited remotely?

    CVE-2021-39253 may potentially be exploited remotely by using crafted NTFS image files.

  • Who is impacted by CVE-2021-39253?

    Users of ntfs-3g versions earlier than 2021.8.22, particularly on Red Hat and Debian systems, are impacted by CVE-2021-39253.

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