CVE-2025-8534 Details
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."
A null pointer dereference vulnerability has been identified in libtiff version 4.6.0, specifically within the tiff2ps component. The issue arises in the PS_Lvl2page function of tools/tiff2ps.c. This vulnerability can be exploited locally, particularly when the DEFER_STRILE_LOAD option is enabled or when TIFFOpen is used with the 'rD' option. The vulnerability has been publicly disclosed and is known to cause a segmentation fault, leading to a crash.
Users are advised to update to libtiff version 4.7.0 or apply the patch available in the GitLab repository.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Aug 5, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://gitlab.com/libtiff/libtiff/-/issues/718 | CISA-ADP | ExploitIssue TrackingVendor Advisory |
| https://vuldb.com/?submit.617831 | CISA-ADP | Third Party AdvisoryVDB Entry |
| https://drive.google.com/file/d/15JPA3kLYiYD-nRNJ8y8HmnYjhv9NE7k6/view?usp=drive_link | [email protected] | Exploit |
| https://gitlab.com/libtiff/libtiff/-/commit/6ba36f159fd396ad11bf6b7874554197736ecc8b | [email protected] | Patch |
| https://gitlab.com/libtiff/libtiff/-/issues/718 | [email protected] | ExploitIssue TrackingVendor Advisory |
| https://gitlab.com/libtiff/libtiff/-/merge_requests/746 | [email protected] | Product |
| https://vuldb.com/?ctiid.318664 | [email protected] | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.318664 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.617831 | [email protected] | Third Party AdvisoryVDB Entry |
| http://www.libtiff.org/ | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-404 | Improper Resource Shutdown or Release | [email protected] |
| CWE-476 | NULL Pointer Dereference | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| libtiff libtiff | 4.6.0 |
CPE
Remediation
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Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | Data Remediation | [email protected] |
| Sep 11, 2025 | Initial Analysis | [email protected] |
| Aug 5, 2025 | CVE Modified | CISA-ADP |
| Aug 5, 2025 | New CVE Received | [email protected] |