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Fencer Vulns
medium 6.8

CVE-2023-0801 json

LibTIFF 4.4.0 has an out-of-bounds write in tiffcrop in `libtiff/tif_unix.c:368`, invoked by...

published 2023-02-13 3 y ago modified 2026-07-25 3 mo ago also EUVD-2023-12806 , JLSEC-2025-296

cvss
6.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 37%
public exploits
0
none known

Summary

LibTIFF 4.4.0 has an out-of-bounds write in tiffcrop in libtiff/tif_unix.c:368, invoked by tools/tiffcrop.c:2903 and tools/tiffcrop.c:6778, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit 33aee127.

Patch / fix

  • julia Libtiff_jll 4.5.1+0
  • tiff Debian 14, Debian 13, Debian 12 4.5.0-5

debian advisories DEBIAN-CVE-2023-0801

  • tiff Ubuntu 18.04 LTS 4.0.9-5ubuntu0.10
  • tiff Ubuntu 20.04 LTS 4.1.0+git191117-2ubuntu0.20.04.8
  • tiff Ubuntu 22.04 LTS 4.3.0-6ubuntu0.4
  • tiff Ubuntu Pro 14.04 LTS 4.0.3-7ubuntu0.11+esm7
  • tiff Ubuntu Pro 16.04 LTS 4.0.6-1ubuntu0.8+esm10

ubuntu advisories UBUNTU-CVE-2023-0801

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

  • libtiff RHEL 8 4.0.9-29.el8_8
  • libtiff-tools RHEL 8 4.0.9-29.el8_8
  • libtiff RHEL 9 4.4.0-8.el9_2
  • libtiff-tools RHEL 9 4.4.0-8.el9_2

red hat advisories RHSA-2023:5353RHSA-2023:3711

  • tiff SLES 16.0, Linux Micro 6.2, SLES for SAP applications 16.0 4.7.1-160000.2.1
  • tiff SLE Real Time 15 SP3, SLE Module for Package Hub 15 SP5, SLE Module for Package Hub 15 SP4 +8 more 4.0.9-150000.45.28.1
  • tiff SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 4.0.9-44.68.1

suse advisories SUSE-SU-2026:22234-1SUSE-SU-2026:22306-1SUSE-SU-2023:2334-1SUSE-SU-2023:2321-1

  • tiff openSUSE Leap 16.0 4.7.1-160000.2.1
  • tiff-man openSUSE Leap 16.0 4.7.1-160000.2.1
  • tiff openSUSE Tumbleweed 4.5.0-3.1

opensuse advisories openSUSE-SU-2026:20995-1openSUSE-SU-2024:12730-1

  • libtiff AlmaLinux 8 4.0.9-29.el8_8
  • libtiff-tools AlmaLinux 8 4.0.9-29.el8_8
  • libtiff AlmaLinux 9 4.4.0-8.el9_2
  • libtiff-tools AlmaLinux 9 4.4.0-8.el9_2

almalinux advisories ALSA-2023:5353ALSA-2023:3711

  • libtiff Rocky Linux 8 4.0.9-29.el8_8
  • libtiff Rocky Linux 9 4.4.0-8.el9_2

rocky linux advisories RLSA-2023:5353RLSA-2023:3711

  • tiff Alpine 3.16, Alpine 3.15 4.4.0-r2
  • tiff Alpine 3.17 4.4.0-r3
  • tiff Alpine 3.24, Alpine 3.23, Alpine 3.22 +4 more 4.5.0-r5

alpine advisories ALPINE-CVE-2023-0801

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libtiff CBL-Mariner 2.0 4.4.0-8

azure linux advisories AZL-13392

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

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-2023-0801 updated cvss 6.1

libtiff: out-of-bounds write in _TIFFmemcpy() in libtiff/tif_unix.c when called by functions in tools/tiffcrop.c

  • Red Hat Enterprise Linux 6 libtiff Red Hat Enterprise Linux 7 libtiff, libtiff-tools, compat-libtiff3
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 8 compat-libtiff3
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux AppStream (v. 8) libtiff 4.0.9-29.el8_8
    fixed: vendor fix RHSA-2023:5353
  • Red Hat Enterprise Linux AppStream (v. 9) libtiff 4.4.0-8.el9_2
    fixed: vendor fix RHSA-2023:3711
  • Red Hat Enterprise Linux CRB (v. 8) libtiff-tools 4.0.9-29.el8_8
    fixed: vendor fix RHSA-2023:5353
  • Red Hat Enterprise Linux CRB (v. 9) libtiff-tools 4.4.0-8.el9_2
    fixed: vendor fix RHSA-2023:3711

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
19 mo ago

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • gitlab.com https://gitlab.com/libtiff/libtiff/-/issues/498 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
OSV 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
julia Libtiff_jll
<4.5.1+0
4.5.1+0

Affected products

  • libtiff libtiff

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.