CVE-2022-3626Public exploit

Process crash via incompatible crop and page options

Published Oct 21, 2022 · Updated May 7, 2025

Out-of-bounds write in LibTIFF tiffcrop 4.4.0 allows attackers to crash the utility by processing a crafted TIFF file. processCropSelections permits incompatible crop-selection and page-mode options to drive _TIFFmemset past a heap buffer allocated during image rotation. Exploitation requires a user or automated workflow to invoke tiffcrop with the crafted file and incompatible options; the tiffcrop process crashes.

CVSS severity5.5
Medium
EPSS probability1.00%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds write in LibTIFF tiffcrop 4.4.0 allows attackers to crash the utility by processing a crafted TIFF file. processCropSelections permits incompatible crop-selection and page-mode options to drive _TIFFmemset past a heap buffer allocated during image rotation. Exploitation requires a user or automated workflow to invoke tiffcrop with the crafted file and incompatible options; the tiffcrop process crashes.

The record

CVE
CVE-2022-3626
Published
Oct 21, 2022
Updated
May 7, 2025
Vendor
LibTIFF
Product
LibTIFF
Classifications
CWE-787, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 21, 2022CVE publishedPublication date reported by the CVE source.
  2. May 7, 2025Record 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

5.5GitLab Inc.CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
6.5NIST NVDCVSS: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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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-787Out-of-bounds Write
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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