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Fencer Vulns
medium 5.5

CVE-2023-45897 json

exfatprogs before 1.2.2 allows out-of-bounds memory access, such as in read_file_dentry_set.

published 2023-10-28 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-50160

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 34%
public exploits
0
none known

Summary

exfatprogs before 1.2.2 allows out-of-bounds memory access, such as in read_file_dentry_set.

Patch / fix

  • namjaejeon exfatprogs 1.2.2
  • exfatprogs Debian 12 1.2.0-1+deb12u1
  • exfatprogs Debian 14, Debian 13 1.2.2-1

debian advisories DEBIAN-CVE-2023-45897

  • exfatprogs Ubuntu 22.04 LTS 1.1.3-1ubuntu0.1

ubuntu advisories UBUNTU-CVE-2023-45897

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • exfatprogs RHEL 9 1.2.2-2.el9

red hat advisories RHSA-2024:2437

  • exfatprogs SLE Module for Basesystem 15 SP5, SLE Module for Basesystem 15 SP4, openSUSE Leap 15.5 +1 more 1.0.4-150300.3.12.1

suse advisories SUSE-SU-2023:4449-1

  • exfatprogs AlmaLinux 9 1.2.2-2.el9

almalinux advisories ALSA-2024:2437

  • exfatprogs Rocky Linux 9 1.2.2-2.el9

rocky linux advisories RLSA-2024:2437

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-45897 updated cvss 5.5

exfatprogs: exfatprogs allows out-of-bounds memory access

  • Red Hat Enterprise Linux BaseOS (v. 9) exfatprogs 1.2.2-2.el9
    fixed: vendor fix RHSA-2024:2437

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • dfir.ru https://dfir.ru/2023/11/01/cve-2023-45897-a-vulnerability-in-the-linux-exfat-userspace-tools/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.