CVE-2025-8176: libtiff Buffer Overflow

Description

A vulnerability was found in LibTIFF up to 4.7.0. It has been declared as critical. This vulnerability affects the function get_histogram of the file tools/tiffmedian.c. The manipulation leads to use after free. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. The patch is identified as fe10872e53efba9cc36c66ac4ab3b41a839d5172. 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-416 Use After Free

Affected Products

Vendor	Product	Versions
libtiff	libtiff	< 4.7.0

References

Advisories & Patches

https://gitlab.com/libtiff/libtiff/-/commit/fe10872e53efba9cc36c66ac4ab3b41a839d5172 https://gitlab.com/libtiff/libtiff/-/issues/707

Exploits

https://gitlab.com/libtiff/libtiff/-/issues/707

Other References

http://www.libtiff.org/ https://gitlab.com/libtiff/libtiff/-/merge_requests/727 https://vuldb.com/?ctiid.317590 https://vuldb.com/?id.317590 https://vuldb.com/?submit.621796

Frequently Asked Questions

What is CVE-2025-8176? +

A vulnerability was found in LibTIFF up to 4.7.0. It has been declared as critical. This vulnerability affects the function get_histogram of the file tools/tiffmedian.c. The manipulation leads to use after free. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. The patch is identified as fe10872e53efba9cc36c66ac4ab3b41a839d5172. 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-2025-8176? +

CVE-2025-8176 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-2025-8176? +

CVE-2025-8176 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-2025-8176? +

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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