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Vulnerability record · CVE-2025-8534 · published 5 August 2025

CVE-2025-8534: Libtiff improper resource shutdown vulnerability

Libtiff · Libtiff

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."

1.1 CVSS 4.0 Low EPSS 0.19% · top 92.8% CWE-404 · Improper resource shutdownCWE-476 · NULL pointer dereference
1.1CVSS 4.0 base score, v2 1.0
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 3 tagged exploit
17 Jun 2026Last modified by NVD

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."

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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.libtiff.org/ Product
https://drive.google.com/file/d/15JPA3kLYiYD-nRNJ8y8HmnYjhv9NE7k6/view?usp=drive_link Exploit
https://gitlab.com/libtiff/libtiff/-/commit/6ba36f159fd396ad11bf6b7874554197736ecc8b Patch
https://gitlab.com/libtiff/libtiff/-/issues/718 ExploitIssue TrackingVendor Advisory
https://gitlab.com/libtiff/libtiff/-/merge_requests/746 Product
https://vuldb.com/?ctiid.318664 Permissions RequiredVDB Entry
https://vuldb.com/?id.318664 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.617831 Third Party AdvisoryVDB Entry
https://gitlab.com/libtiff/libtiff/-/issues/718 ExploitIssue TrackingVendor Advisory
https://vuldb.com/?submit.617831 Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2004-0929Libtiff vulnerabilityHeap-based buffer overflow in the OJPEGVSetField function in tif_ojpeg.c for libtiff 3.6.1 and earlier, when compiled with the OJPEG_SUPPORT (old JPE…EPSS 8.2%10.0CVE-2004-1308Libtiff vulnerabilityInteger overflow in (1) tif_dirread.c and (2) tif_fax3.c for libtiff 3.5.7 and 3.7.0 allows remote attackers to execute arbitrary code via a TIFF fil…EPSS 15%9.8CVE-2016-9540Libtiff memory buffer overflow vulnerabilitytools/tiffcp.c in libtiff 4.0.6 has an out-of-bounds write on tiled images with odd tile width versus image width. Reported as MSVR 35103, aka "cpStr…EPSS 3.6%9.8CVE-2016-9539Libtiff memory buffer overflow vulnerabilitytools/tiffcrop.c in libtiff 4.0.6 has an out-of-bounds read in readContigTilesIntoBuffer(). Reported as MSVR 35092.EPSS 3.0%9.8CVE-2016-9538Libtiff integer overflow vulnerabilitytools/tiffcrop.c in libtiff 4.0.6 reads an undefined buffer in readContigStripsIntoBuffer() because of a uint16 integer overflow. Reported as MSVR 35…EPSS 3.4%9.8CVE-2016-9537Libtiff memory buffer overflow vulnerabilitytools/tiffcrop.c in libtiff 4.0.6 has out-of-bounds write vulnerabilities in buffers. Reported as MSVR 35093, MSVR 35096, and MSVR 35097.EPSS 3.1%9.8CVE-2016-9536Libtiff memory buffer overflow vulnerabilitytools/tiff2pdf.c in libtiff 4.0.6 has out-of-bounds write vulnerabilities in heap allocated buffers in t2p_process_jpeg_strip(). Reported as MSVR 350…EPSS 3.1%9.8CVE-2016-9535Libtiff memory buffer overflow vulnerabilitytif_predict.h and tif_predict.c in libtiff 4.0.6 have assertions that can lead to assertion failures in debug mode, or buffer overflows in release mo…EPSS 4.8%

Source: NIST National Vulnerability Database (record CVE-2025-8534), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.