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Fencer Intel
medium 5.5

CVE-2022-22844 json

LibTIFF 4.3.0 has an out-of-bounds read in `_TIFFmemcpy` in `tif_unix.c` in certain situations...

published 4y ago modified 3mo ago also EUVD-2022-27982 , JLSEC-2025-259

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

LibTIFF 4.3.0 has an out-of-bounds read in _TIFFmemcpy in tif_unix.c in certain situations involving a custom tag and 0x0200 as the second word of the DE field.

Patch / fix

  • julia Libtiff_jll 4.4.0+0
  • tiff Debian 14, Debian 13, Debian 12 4.3.0-3

debian advisories DEBIAN-CVE-2022-22844

  • tiff Ubuntu 18.04 LTS 4.0.9-5ubuntu0.6
  • tiff Ubuntu 20.04 LTS 4.1.0+git191117-2ubuntu0.20.04.4
  • tiff Ubuntu Pro 14.04 LTS 4.0.3-7ubuntu0.11+esm2
  • tiff Ubuntu Pro 16.04 LTS 4.0.6-1ubuntu0.8+esm2

ubuntu advisories UBUNTU-CVE-2022-22844

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 9 4.4.0-2.el9
  • libtiff-tools RHEL 9 4.4.0-2.el9
  • libtiff RHEL 8 4.0.9-23.el8
  • libtiff-tools RHEL 8 4.0.9-23.el8

red hat advisories RHSA-2022:8194RHSA-2022:7585

  • tiff SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +11 more 4.0.9-44.45.1
  • tiff SLES for SAP 15 SP2, SLES for SAP 15 SP1, SLES for SAP 15 +21 more 4.0.9-45.5.1

suse advisories SUSE-SU-2022:0496-1SUSE-SU-2022:0480-1

  • tiff openSUSE Tumbleweed 4.6.0-2.1
  • tiff openSUSE Leap 15.3 4.0.9-45.5.1

opensuse advisories openSUSE-SU-2024:13381-1openSUSE-SU-2022:0480-1

  • libtiff AlmaLinux 9 4.4.0-2.el9
  • libtiff-tools AlmaLinux 9 4.4.0-2.el9
  • libtiff AlmaLinux 8 4.0.9-23.el8
  • libtiff-tools AlmaLinux 8 4.0.9-23.el8

almalinux advisories ALSA-2022:8194ALSA-2022:7585

  • libtiff Rocky Linux 8 4.0.9-23.el8

rocky linux advisories RLSA-2022:7585

  • tiff Alpine 3.14, Alpine 3.13 4.3.0-r0
  • tiff Alpine 3.24, Alpine 3.23, Alpine 3.22 +7 more 4.3.0-r1

alpine advisories ALPINE-CVE-2022-22844

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 4.3.0-2

azure linux advisories AZL-8514

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

  • libtiff Arch Linux 4.3.0-2
  • lib32-libtiff Arch Linux 4.3.0-2

arch linux advisories AVG-2658AVG-2659

Is CVE-2022-22844 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2022-22844 updated cvss 5.5

libtiff: out-of-bounds read in _TIFFmemcpy() in tif_unix.c

  • Red Hat Enterprise Linux 7 libtiff, libtiff-tools
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 8 mingw-libtiff, mingw32-libtiff, mingw64-libtiff
    affected: no fix planned “Will not fix”
  • Red Hat CodeReady Linux Builder (v. 8) libtiff-tools 4.0.9-23.el8
    fixed: vendor fix RHSA-2022:7585
  • Red Hat CodeReady Linux Builder (v. 9) libtiff-tools 4.4.0-2.el9
    fixed: vendor fix RHSA-2022:8194
  • Red Hat Enterprise Linux AppStream (v. 8) libtiff 4.0.9-23.el8
    fixed: vendor fix RHSA-2022:7585
  • Red Hat Enterprise Linux AppStream (v. 9) libtiff 4.4.0-2.el9
    fixed: vendor fix RHSA-2022:8194
  • Red Hat Enterprise Linux 6 libtiff Red Hat Enterprise Linux 7 compat-libtiff3 Red Hat Enterprise Linux 8 compat-libtiff3 Red Hat Enterprise Linux 9 compat-libtiff3
    not affected: vulnerable code not present

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

Exploit prediction

1.43% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • gitlab.com https://gitlab.com/libtiff/libtiff/-/merge_requests/287 referenced PoC, tagged "exploit" by a source, unverified
  • gitlab.com https://gitlab.com/libtiff/libtiff/-/issues/355 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:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P
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
>=4.3.0+0, <4.4.0+0
4.4.0+0

Classification

Weakness

References

Sources

Fencer Intel 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.