Memory Leak Vulnerability in LibTIFF Affecting Local Executions
CVE-2025-9165

2LOW

Key Information:

Vendor

LibTIFF

Status
Libtiff
Vendor
CVE Published:
19 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-9165?

A memory leak vulnerability has been identified in LibTIFF version 4.7.0, specifically within the tiffcmp component. This flaw resides in functions such as _TIFFmallocExt, _TIFFCheckRealloc, TIFFHashSetNew, and InitCCITTFax3 in the file tools/tiffcmp.c. While the exploitation of this vulnerability is limited to local execution, it poses a risk of memory degradation. Users and administrators are advised to apply the patch identified by commit ed141286a37f6e5ddafb5069347ff5d587e7a4e0 to rectify this issue effectively and maintain system integrity.

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Deploy the Patch

Affected Version(s)

LibTIFF 4.7.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-9165 - Proof of Concept

References

https://vuldb.com/?id.320543
vdb-entrytechnical-description
https://vuldb.com/?ctiid.320543
signaturepermissions-required
https://vuldb.com/?submit.630506
third-party-advisory

CVSS V4

Score:
2
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

HeureuxBuilding (VulDB User)
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