Memory Corruption Vulnerability in LibTIFF 4.7.0 Affecting Local Users
CVE-2025-8961

4.8MEDIUM

Key Information:

Vendor

LibTIFF

Status
Libtiff
Vendor
CVE Published:
14 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-8961?

A memory corruption vulnerability has been identified in LibTIFF version 4.7.0 within the tiffcrop component, specifically in the 'May' function of the tiffcrop.c file. This vulnerability allows for manipulation that can lead to memory corruption when executed locally. The exploit has been made public, increasing the risk of unauthorized access and potential system compromise. Users of LibTIFF 4.7.0 should take immediate steps to mitigate this vulnerability.

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-2025-8961 - Proof of Concept

References

https://vuldb.com/?id.319955
vdb-entrytechnical-description
https://vuldb.com/?ctiid.319955
signaturepermissions-required
https://vuldb.com/?submit.627957
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ucas-xd (VulDB User)
.
CVE-2025-8961 : Memory Corruption Vulnerability in LibTIFF 4.7.0 Affecting Local Users