libtiff tiff2ps tiff2ps.c PS_Lvl2page null pointer dereference

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Summary

CVECVE-2025-8534
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-08-05 00:15:56 UTC
Updated2026-04-29 01:00:01 UTC
DescriptionA vulnerability classified as problematic was found in libtiff 4.6.0. This vulnerability affects the function PS_Lvl2page of the file tools/tiff2ps.c of the component tiff2ps. The manipulation leads to null pointer dereference. It is possible to launch the attack on the local host. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The name of the patch is 6ba36f159fd396ad11bf6b7874554197736ecc8b. It is recommended to apply a patch to fix this issue. One of the maintainers explains, that "[t]his error only occurs if DEFER_STRILE_LOAD (defer-strile-load:BOOL=ON) or TIFFOpen( .. "rD") option is used."

Risk And Classification

Primary CVSS: v4.0 1.1 LOW from [email protected]

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-404 | CWE-476 | CWE-476 NULL Pointer Dereference | CWE-404 Denial of Service

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary1.1LOWCVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED2LOWCVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
3.1[email protected]Secondary2.5LOWCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
3.1CNADECLARED2.5LOWCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
3.0CNADECLARED2.5LOWCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
2.0[email protected]Secondary1AV:L/AC:H/Au:S/C:N/I:N/A:P
2.0CNADECLARED1AV:L/AC:H/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
High
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

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

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Libtiff Libtiff 4.6.0 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Libtiff affected 4.6.0 Not specified

References

ReferenceSourceLinkTags
vuldb.com [email protected] vuldb.com Permissions Required, VDB Entry
gitlab.com/libtiff/libtiff/-/issues/718 134c704f-9b21-4f2e-91b3-4a467353bcc0 gitlab.com Exploit, Issue Tracking, Vendor Advisory
www.libtiff.org [email protected] www.libtiff.org Product
drive.google.com/file/d/15JPA3kLYiYD-nRNJ8y8HmnYjhv9NE7k6/view [email protected] drive.google.com Exploit
vuldb.com 134c704f-9b21-4f2e-91b3-4a467353bcc0 vuldb.com Third Party Advisory, VDB Entry
vuldb.com [email protected] vuldb.com Third Party Advisory, VDB Entry
gitlab.com/libtiff/libtiff/-/merge_requests/746 [email protected] gitlab.com Product
gitlab.com/libtiff/libtiff/-/commit/6ba36f159fd396ad11bf6b7874554197736e... [email protected] gitlab.com Patch
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: rootsec (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2025-08-04T00:00:00.000ZAdvisory disclosed
CNA2025-08-04T02:00:00.000ZVulDB entry created
CNA2025-08-04T14:00:29.000ZVulDB entry last update
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