CVE-2025-8851: libtiff Buffer Overflow — Fix

Description

A vulnerability was determined in LibTIFF up to 4.5.1. Affected by this issue is the function readSeparateStripsetoBuffer of the file tools/tiffcrop.c of the component tiffcrop. The manipulation leads to stack-based buffer overflow. Local access is required to approach this attack. The patch is identified as 8a7a48d7a645992ca83062b3a1873c951661e2b3. It is recommended to apply a patch to fix this issue.

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CVSS v3.1 Score

5.3

MEDIUM

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

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-121 CWE-121

Affected Products

Vendor	Product	Versions
libtiff	libtiff	< 4.5.1

References

Advisories & Patches

https://gitlab.com/libtiff/libtiff/-/commit/8a7a48d7a645992ca83062b3a1873c951661e2b3

Other References

http://www.libtiff.org/ https://vuldb.com/?ctiid.319382 https://vuldb.com/?id.319382 https://vuldb.com/?submit.624604 https://vuldb.com/?submit.624604

Frequently Asked Questions

What is CVE-2025-8851? +

A vulnerability was determined in LibTIFF up to 4.5.1. Affected by this issue is the function readSeparateStripsetoBuffer of the file tools/tiffcrop.c of the component tiffcrop. The manipulation leads to stack-based buffer overflow. Local access is required to approach this attack. The patch is identified as 8a7a48d7a645992ca83062b3a1873c951661e2b3. It is recommended to apply a patch to fix this issue. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-8851? +

CVE-2025-8851 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-8851? +

CVE-2025-8851 affects products from libtiff, specifically: libtiff. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-8851? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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