CVE-2024-7006

Application crash via unchecked anonymous-field allocation failure

Published Aug 8, 2024 · Updated Jan 23, 2026

Null pointer dereference in libtiff on affected Red Hat Enterprise Linux releases allows local users to crash TIFF-processing applications. When allocation fails, _TIFFCreateAnonField returns NULL and tif_dirread.c passes that pointer to _TIFFMergeFields, which dereferences it in tif_dirinfo.c without validation. Exploitation requires local control of memory pressure or fault injection, and the bounded consequence is termination of the calling application.

CVSS severity6.2
Medium
EPSS probability1.52%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Null pointer dereference in libtiff on affected Red Hat Enterprise Linux releases allows local users to crash TIFF-processing applications. When allocation fails, _TIFFCreateAnonField returns NULL and tif_dirread.c passes that pointer to _TIFFMergeFields, which dereferences it in tif_dirinfo.c without validation. Exploitation requires local control of memory pressure or fault injection, and the bounded consequence is termination of the calling application.

The record

CVE
CVE-2024-7006
Published
Aug 8, 2024
Updated
Jan 23, 2026
Vendor
Red Hat
Product
Red Hat Enterprise Linux 8
Classifications
CWE-754, T1499
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 8, 2024CVE publishedPublication date reported by the CVE source.
  2. Jan 23, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Red Hat · Red Hat Enterprise Linux 8Affected versions are unavailable in this record.
Red Hat · Red Hat Enterprise Linux 9.2 Extended Update SupportAffected versions are unavailable in this record.
Red Hat · Red Hat Enterprise Linux 9Affected versions are unavailable in this record.

Published CVSS scores

6.2Red Hat, Inc.CVSS:3.1/AV:L/AC:L/PR:N/UI:N/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-754Improper Check for Unusual or Exceptional Conditions
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

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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