NULL pointer dereference in Libtiff
CVE-2025-8534
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."
EPSS: 0.002 (8.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.5 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Libtiff — versions 4.6.0
- N/a Libtiff — versions 4.6.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (issue-tracking, Exploit, Issue Tracking, Vendor Advisory)
- cna@vuldb.com (Product, patch)
- cna@vuldb.com (Exploit, exploit)
- cna@vuldb.com (Patch, patch)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2025-8534?
- CVE-2025-8534 is a low-severity vulnerability in Libtiff, classified under Improper Resource Shutdown or Release. CVSS score: 2.5/10. Published 2025-08-05.
- How severe is CVE-2025-8534?
- Low severity. CVSS v3 base score is 2.5 out of 10.
- Is CVE-2025-8534 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.