CVE-2025-8534

LOW

libtiff 4.6.0 - Null Pointer Dereference in tiff2ps PS_Lvl2page Function

Title source: llm
STIX 2.1

Description

A 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."

References (8)

Core 8
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.318664
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.318664
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.617831
Exploit, Issue Tracking, Vendor Advisory issue-tracking
https://gitlab.com/libtiff/libtiff/-/issues/718
Product product
http://www.libtiff.org/

Scores

CVSS v3 2.5
EPSS 0.0017
EPSS Percentile 7.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-404 CWE-476
Status published
Products (1)
libtiff/libtiff 4.6.0
Published Aug 05, 2025
Tracked Since Feb 18, 2026