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CVE-2022-1623

LibTIFF master branch has an out-of-bounds read in LZWDecode in libtiff/tif_lzw.c:624, allowing...

5.5 MediumFix available

LibTIFF master branch has an out-of-bounds read in LZWDecode in libtiff/tif_lzw.c:624, 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 b4e79bfa.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.25%Up 0.4 points since May 12, 2022
90%50%10%1%

What each source reports

CVE List Score used 5.5

LibTIFF master branch has an out-of-bounds read in LZWDecode in libtiff/tif_lzw.c:624, 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 b4e79bfa.

Record
CVE-2022-1623
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
EUVDEUVD-2022-24912 5.5

LibTIFF master branch has an out-of-bounds read in LZWDecode in libtiff/tif_lzw.c:624, 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 b4e79bfa.

Record
EUVD-2022-24912
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-rc2g-jmfp-rfgf 5.5

LibTIFF master branch has an out-of-bounds read in LZWDecode in libtiff/tif_lzw.c:624, allowing...

LibTIFF master branch has an out-of-bounds read in LZWDecode in libtiff/tif_lzw.c:624, 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 b4e79bfa.

Record
GHSA-rc2g-jmfp-rfgf
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-125
Updated
2026-11-02
NVD 5.5

LibTIFF master branch has an out-of-bounds read in LZWDecode in libtiff/tif_lzw.c:624, 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 b4e79bfa.

Record
CVE-2022-1623
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-125
Updated
2026-11-02
OSVAZL-9734 5.5

CVE-2022-1623 affecting package libtiff for versions less than 4.4.0-1

LibTIFF master branch has an out-of-bounds read in LZWDecode in libtiff/tif_lzw.c:624, 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 b4e79bfa.

Record
AZL-9734
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVBELL-CVE-2022-1623 5.5

CVE-2022-1623 does not affect BellSoft software

Record
BELL-CVE-2022-1623
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 5 moreShow less
OSV 5.5

LibTIFF master branch has an out-of-bounds read in LZWDecode in libtiff/tif_lzw.c:624, 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 b4e79bfa.

Record
CVE-2022-1623
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2022-1623 5.5

LibTIFF master branch has an out-of-bounds read in LZWDecode in libtiff/tif_lzw.c:624, 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 b4e79bfa.

Record
DEBIAN-CVE-2022-1623
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-03
OSVJLSEC-2025-271 5.5

LibTIFF master branch has an out-of-bounds read in LZWDecode in `libtiff/tif_lzw.c:624`, allowing...

LibTIFF master branch has an out-of-bounds read in LZWDecode in libtiff/tif_lzw.c:624, 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 b4e79bfa.

Record
JLSEC-2025-271
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Updated
2026-11-02
OSVOESA-2022-1728 5.5

libtiff security update

This provides support for the Tag Image File Format (TIFF), a widely used format for storing image data. The latest version of the TIFF specification is available on-line in several different formats.And contains command-line programs for manipulating TIFF format image files using the libtiff library.

Security Fix(es):

LibTIFF master branch has an out-of-bounds read in LZWDecode in libtiff/tif_lzw.c:624, 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 b4e79bfa.(CVE-2022-1623)

LibTIFF master branch has an out-of-bounds read in LZWDecode in libtiff/tif_lzw.c:619, 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 b4e79bfa.(CVE-2022-1622)

Record
OESA-2022-1728
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVMGASA-2022-0240 No score

Updated libtiff packages fix security vulnerability

Heap-buffer-overflow in TIFFReadRawDataStriped() in tiffinfo.c. (CVE-2022-1354) Stack-buffer-overflow in tiffcp.c in main(). (CVE-2022-1355) Out-of-bounds read in LZWDecode. (CVE-2022-1622, CVE-2022-1623)

Record
MGASA-2022-0240
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
libtiff
Azure Linux:2
 before 4.4.0-1
4.4.0-1
tiff
Debian:12
 before 4.4.0~rc1-1
4.4.0~rc1-1
tiff
Debian:13
 before 4.4.0~rc1-1
4.4.0~rc1-1
tiff
Debian:14
 before 4.4.0~rc1-1
4.4.0~rc1-1
tiff
Debian:11
From an advisory covering 24 CVEs
 before 4.2.0-1+deb11u3, plus listed versions
4.2.0-14.2.0-1+deb11u14.2.0-1+deb11u2
4.2.0-1+deb11u3
Libtiff_jll
Julia
 4.3.0+0 up to 4.4.0+0
4.4.0+0
libtiff
Mageia:8
From an advisory covering 4 CVEs
 before 4.2.0-1.5.mga8
4.2.0-1.5.mga8
libtiff
openEuler:20.03-LTS-SP1
From an advisory covering 2 CVEs
 before 4.3.0-1.oe1
4.3.0-1.oe1
libtiff
openEuler:20.03-LTS-SP3
From an advisory covering 2 CVEs
 before 4.3.0-1.oe1
4.3.0-1.oe1
libtiff
openEuler:22.03-LTS
From an advisory covering 2 CVEs
 before 4.3.0-15.oe2203
4.3.0-15.oe2203

History

History
RecordedChangedSources
affected, factsOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-1623 is a medium vulnerability (CVSS 5.5) in Libtiff, published May 11, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.25%, the 69th percentile. Fixed in libtiff 4.4.0-1.

References

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