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CVE-2025-61143

MEDIUM CVSS 3.1: 5.5 EPSS 0.01%
Updated Feb 24, 2026
Libtiff
Parameter Value
CVSS 5.5 (MEDIUM)
Affected Versions before 4.7.1
Fixed In 4.7.1
Type CWE-476 (NULL Pointer Dereference)
Vendor Libtiff
Public PoC No

libtiff up to v4.7.1 was discovered to contain a NULL pointer dereference via the component libtiff/tif_open.c.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Libtiff Libtiff
cpe:2.3:a:libtiff:libtiff:*:*:*:*:*:*:*:*
4.7.1