CVE-2025-9165

Public Exploit
LibTIFF tiffcmp tiffcmp.c InitCCITTFax3 memory leak

Description

A flaw has been found in LibTIFF 4.7.0. This affects the function _TIFFmallocExt/_TIFFCheckRealloc/TIFFHashSetNew/InitCCITTFax3 of the file tools/tiffcmp.c of the component tiffcmp. Executing manipulation can lead to memory leak. The attack is restricted to local execution. The exploit has been published and may be used. This patch is called ed141286a37f6e5ddafb5069347ff5d587e7a4e0. It is best practice to apply a patch to resolve this issue.

Category

4.8
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.01%
Third-Party Advisory vuldb.com Third-Party Advisory vuldb.com
Affected: n/a LibTIFF
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.320543 vdb entry technical description
https://vuldb.com/?ctiid.320543 permissions required signature
https://vuldb.com/?submit.630506 third party advisory
https://vuldb.com/?submit.630507 third party advisory
https://gitlab.com/libtiff/libtiff/-/issues/728 issue tracking
https://gitlab.com/libtiff/libtiff/-/merge_requests/747 patch
https://drive.google.com/file/d/1FWhmkzksH8-qU0ZM6seBzGNB3aPnX3G8/view?usp=sharing exploit
https://gitlab.com/libtiff/libtiff/-/commit/ed141286a37f6e5ddafb5069347ff5d587e7a4e0 patch
http://www.libtiff.org/ product
https://gitlab.com/libtiff/libtiff/-/issues/728#note_2709263214

Frequently Asked Questions

What is the severity of CVE-2025-9165?
CVE-2025-9165 has been scored as a medium severity vulnerability.
How to fix CVE-2025-9165?
To fix CVE-2025-9165, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-9165 being actively exploited in the wild?
It is possible that CVE-2025-9165 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-9165?
CVE-2025-9165 affects n/a LibTIFF.
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