CVE-2022-2056Public exploit

Utility crash via zero output-dimension division

Published Jun 30, 2022 · Updated Aug 3, 2024

Divide by zero in tiffcrop in LibTIFF 4.4.0 allows attackers to crash the utility by processing a crafted TIFF file. computeOutputPixelOffsets fails to reject a zero output width or length before using the dimension in page-count calculations. The crafted file must be processed with affected page-mode options; the resulting floating-point exception aborts tiffcrop without reported confidentiality or integrity impact.

CVSS severity6.5
Medium
EPSS probability1.28%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Divide by zero in tiffcrop in LibTIFF 4.4.0 allows attackers to crash the utility by processing a crafted TIFF file. computeOutputPixelOffsets fails to reject a zero output width or length before using the dimension in page-count calculations. The crafted file must be processed with affected page-mode options; the resulting floating-point exception aborts tiffcrop without reported confidentiality or integrity impact.

The record

CVE
CVE-2022-2056
Published
Jun 30, 2022
Updated
Aug 3, 2024
Vendor
LibTIFF
Product
LibTIFF
Classifications
CWE-369, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 30, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion==4.4.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

LibTIFF · LibTIFFversion==4.4.0

Published CVSS scores

4.3NVDAV:N/AC:M/Au:N/C:N/I:N/A:P
5.5GitLab Inc.CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
6.5NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-369Divide By Zero
T1204.002Malicious File

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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