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01 Record

CVE-2021-39257

A crafted NTFS image with an unallocated bitmap can lead to a endless recursive function call chain (starting from ntfs_attr_pwrite), causing stack consumption in NTFS-3G < 2021.8.22.

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
View raw JSON

02 Description

A crafted NTFS image with an unallocated bitmap can lead to a endless recursive function call chain (starting from ntfs_attr_pwrite), causing stack consumption in NTFS-3G < 2021.8.22.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.39% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 33.5% of scored records. A rank, not a probability.
NVD base score
5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-09-07 00:00Z5 YR AGO
Last updated
2024-08-04 02:06Z2 YR AGO
Reserved
2021-08-17
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-674Uncontrolled RecursionClass
  • CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
Data version
5.1
Document digest
7432dfdf9d3db47696ae38310bd4f7b5e0394a92c60196c3e0d2c4e16afe93f5

05 Affected products

VendorProductVersionsPlatforms
debiandebian_linuxNot specified—
redhatadvanced_virtualizationNot specified—
redhatenterprise_linuxNot specified—
tuxerantfs-3gNot specified—

06 References

07 Fixed in

AlmaLinux 8

  • SLOF
    Fixed in 20210217-1.module_el8.6.0+2880+7d9e3703
  • hivex
    Fixed in 1.3.18-23.module_el8.6.0+2880+7d9e3703
  • hivex-devel
    Fixed in 1.3.18-23.module_el8.6.0+2880+7d9e3703
  • libguestfs
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-appliance
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-bash-completion
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-devel
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-gfs2
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-gobject
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-gobject-devel
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-inspect-icons
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-java
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-java-devel
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-javadoc
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-man-pages-ja
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-man-pages-uk
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-rescue
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-rsync
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-tools
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-tools-c
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-winsupport
    Fixed in 8.6-1.module_el8.6.0+2880+7d9e3703
  • libguestfs-xfs
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libiscsi
    Fixed in 1.18.0-8.module_el8.6.0+2880+7d9e3703
  • libiscsi-devel
    Fixed in 1.18.0-8.module_el8.6.0+2880+7d9e3703
  • libiscsi-utils
    Fixed in 1.18.0-8.module_el8.6.0+2880+7d9e3703
  • libnbd
    Fixed in 1.6.0-5.module_el8.6.0+2880+7d9e3703
  • libnbd-bash-completion
    Fixed in 1.6.0-5.module_el8.6.0+2880+7d9e3703
  • libnbd-devel
    Fixed in 1.6.0-5.module_el8.6.0+2880+7d9e3703
  • libtpms
    Fixed in 0.9.1-0.20211126git1ff6fe1f43.module_el8.6.0+2880+7d9e3703
  • libtpms-devel
    Fixed in 0.9.1-0.20211126git1ff6fe1f43.module_el8.6.0+2880+7d9e3703
  • libvirt
    Fixed in 8.0.0-5.module_el8.6.0+2880+7d9e3703
  • libvirt-client
    Fixed in 8.0.0-5.module_el8.6.0+2880+7d9e3703
  • libvirt-daemon
    Fixed in 8.0.0-5.module_el8.6.0+2880+7d9e3703
  • libvirt-daemon-config-network
    Fixed in 8.0.0-5.module_el8.6.0+2880+7d9e3703
  • libvirt-daemon-config-nwfilter
    Fixed in 8.0.0-5.module_el8.6.0+2880+7d9e3703
  • libvirt-daemon-driver-interface
    Fixed in 8.0.0-5.module_el8.6.0+2880+7d9e3703
  • libvirt-daemon-driver-network
    Fixed in 8.0.0-5.module_el8.6.0+2880+7d9e3703
  • libvirt-daemon-driver-nodedev
    Fixed in 8.0.0-5.module_el8.6.0+2880+7d9e3703
  • libvirt-daemon-driver-nwfilter
    Fixed in 8.0.0-5.module_el8.6.0+2880+7d9e3703
  • libvirt-daemon-driver-qemu
    Fixed in 8.0.0-5.module_el8.6.0+2880+7d9e3703

90 further packages in AlmaLinux 8 not shown (first 40 listed).

Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

Arch Linux

  • ntfs-3g
    Fixed in 2021.8.22-1

Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.

CloudLinux 8

  • SLOF
    Fixed in 20210217-1.module_el8.6.0+2880+7d9e3703
  • hivex
    Fixed in 1.3.18-23.module_el8.6.0+2880+7d9e3703
  • hivex-devel
    Fixed in 1.3.18-23.module_el8.6.0+2880+7d9e3703
  • libguestfs
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-appliance
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-bash-completion
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-devel
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-gfs2
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-gobject
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-gobject-devel
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-inspect-icons
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-java
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-java-devel
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-javadoc
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-man-pages-ja
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-man-pages-uk
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-rescue
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-rsync
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-tools
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-tools-c
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libguestfs-winsupport
    Fixed in 8.6-1.module_el8.6.0+2880+7d9e3703
  • libguestfs-xfs
    Fixed in 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma
  • libiscsi
    Fixed in 1.18.0-8.module_el8.6.0+2880+7d9e3703
  • libiscsi-devel
    Fixed in 1.18.0-8.module_el8.6.0+2880+7d9e3703
  • libiscsi-utils
    Fixed in 1.18.0-8.module_el8.6.0+2880+7d9e3703
  • libnbd
    Fixed in 1.6.0-5.module_el8.6.0+2880+7d9e3703
  • libnbd-bash-completion
    Fixed in 1.6.0-5.module_el8.6.0+2880+7d9e3703
  • libnbd-devel
    Fixed in 1.6.0-5.module_el8.6.0+2880+7d9e3703
  • libtpms
    Fixed in 0.9.1-0.20211126git1ff6fe1f43.module_el8.6.0+2880+7d9e3703
  • libtpms-devel
    Fixed in 0.9.1-0.20211126git1ff6fe1f43.module_el8.6.0+2880+7d9e3703
  • libvirt
    Fixed in 8.0.0-5.module_el8.6.0+2880+7d9e3703
  • libvirt-client
    Fixed in 8.0.0-5.module_el8.6.0+2880+7d9e3703
  • libvirt-daemon
    Fixed in 8.0.0-5.module_el8.6.0+2880+7d9e3703
  • libvirt-daemon-config-network
    Fixed in 8.0.0-5.module_el8.6.0+2880+7d9e3703
  • libvirt-daemon-config-nwfilter
    Fixed in 8.0.0-5.module_el8.6.0+2880+7d9e3703
  • libvirt-daemon-driver-interface
    Fixed in 8.0.0-5.module_el8.6.0+2880+7d9e3703
  • libvirt-daemon-driver-network
    Fixed in 8.0.0-5.module_el8.6.0+2880+7d9e3703
  • libvirt-daemon-driver-nodedev
    Fixed in 8.0.0-5.module_el8.6.0+2880+7d9e3703
  • libvirt-daemon-driver-nwfilter
    Fixed in 8.0.0-5.module_el8.6.0+2880+7d9e3703
  • libvirt-daemon-driver-qemu
    Fixed in 8.0.0-5.module_el8.6.0+2880+7d9e3703

90 further packages in CloudLinux 8 not shown (first 40 listed).

Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.

Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

Debian 12

  • ntfs-3g
    Fixed in 1:2021.8.22-2

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • ntfs-3g
    Fixed in 1:2021.8.22-2

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • ntfs-3g
    Fixed in 1:2021.8.22-2

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 18.04 LTS

  • ntfs-3g
    Fixed in 1:2017.3.23-2ubuntu0.18.04.3

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 20.04 LTS

  • ntfs-3g
    Fixed in 1:2017.3.23AR.3-3ubuntu1.1

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 22.04 LTS

  • ntfs-3g
    Fixed in 1:2017.3.23AR.3-3ubuntu5

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 14.04 LTS

  • ntfs-3g
    Fixed in 1:2013.1.13AR.1-2ubuntu2+esm1
    Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 16.04 LTS

  • ntfs-3g
    Fixed in 1:2015.3.14AR.1-1ubuntu0.3+esm1
    Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.