Libtiff: null pointer dereference in tif_dirinfo.c

Summary

CVE	CVE-2024-7006
State	PUBLISHED
Assigner	redhat
Source Priority	CVE Program / NVD first with legacy fallback
Published	2024-08-12 13:38:40 UTC
Updated	2026-11-05 15:16:58 UTC
Description	A null pointer dereference flaw was found in Libtiff via `tif_dirinfo.c`. This issue may allow an attacker to trigger memory allocation failures through certain means, such as restricting the heap space size or injecting faults, causing a segmentation fault. This can cause an application crash, eventually leading to a denial of service.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.015160000 probability, percentile 0.746110000 (date 2026-11-05)

Problem Types: CWE-476 | CWE-476 NULL Pointer Dereference

Version	Source	Type	Score	Severity	Vector
3.1	[email protected]	Primary	7.5	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`
3.1	[email protected]	Secondary	7.5	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`
3.1	CNA	CVSS	7.5	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`

CVSS v3.1 Breakdown

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Application	Libtiff	Libtiff	All	All	All	All
Operating System	Redhat	Enterprise Linux	8.0	All	All	All
Operating System	Redhat	Enterprise Linux	9.0	All	All	All
Operating System	Redhat	Enterprise Linux For Arm 64	9.2	All	All	All
Operating System	Redhat	Enterprise Linux For Power Little Endian Eus	9.2	All	All	All
Operating System	Redhat	Enterprise Linux Server Aus	9.2	All	All	All

Vendor Declared Affected Products

Source	Vendor	Product	Version	Platforms
CNA	Red Hat	Red Hat Enterprise Linux 8	unaffected 0:4.0.9-33.el8_10 * rpm	Not specified
CNA	Red Hat	Red Hat Enterprise Linux 9	unaffected 0:4.4.0-12.el9_4.1 * rpm	Not specified
CNA	Red Hat	Red Hat Enterprise Linux 9.2 Extended Update Support	unaffected 0:4.4.0-8.el9_2.1 * rpm	Not specified
CNA	Red Hat	Red Hat Enterprise Linux 10	Not specified	Not specified
CNA	Red Hat	Red Hat Enterprise Linux 6	Not specified	Not specified
CNA	Red Hat	Red Hat Enterprise Linux 7	Not specified	Not specified

References

Reference	Source	Link	Tags
bugzilla.redhat.com/show_bug.cgi	[email protected]	bugzilla.redhat.com	Issue Tracking
security.netapp.com/advisory/ntap-20240920-0001	af854a3a-2127-422b-91ae-364da2661108	security.netapp.com
access.redhat.com/security/cve/CVE-2024-7006	[email protected]	access.redhat.com	Third Party Advisory
access.redhat.com/errata/RHSA-2024:6360	[email protected]	access.redhat.com	Third Party Advisory
access.redhat.com/errata/RHSA-2024:8914	[email protected]	access.redhat.com
lists.debian.org/debian-lts-announce/2025/01/msg00019.html	af854a3a-2127-422b-91ae-364da2661108	lists.debian.org
access.redhat.com/errata/RHSA-2024:8833	[email protected]	access.redhat.com
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Red Hat would like to thank Xu Chang (N/A) for reporting this issue. (en)

Additional Advisory Data

Source	Time	Event
CNA	2024-08-05T22:40:16.777Z	Reported to Red Hat.
CNA	2024-07-19T00:00:00.000Z	Made public.

Workarounds

CNA: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

There are currently no legacy QID mappings associated with this CVE.