What is the CVSS score of CVE-2025-61143?

CVE-2025-61143 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.0%.

Which versions of Libtiff are affected by CVE-2025-61143?

Organizations using libtiff up to v4.7.1 should be aware of moderate risk from CVE-2025-61143, a null pointer dereference vulnerability rated CVSS 5.5.. A patch is available.

How to fix or mitigate CVE-2025-61143?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Libtiff CVE-2025-61143

MEDIUM

NULL Pointer Dereference (CWE-476)

2026-02-23 cve@mitre.org

Null Pointer Dereference Red Hat Libtiff Suse

5.5

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Patch released

Mar 23, 2026 - 14:45 nvd

Patch available

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

CVE Published

Feb 23, 2026 - 19:22 nvd

MEDIUM 5.5

DescriptionNVD

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

AnalysisAI

libtiff up to v4.7.1 was discovered to contain a NULL pointer dereference via the component libtiff/tif_open.c. [CVSS 5.5 MEDIUM]

Technical ContextAI

Classified as CWE-476 (NULL Pointer Dereference). Affects the the component of Libtiff. libtiff up to v4.7.1 was discovered to contain a NULL pointer dereference via the component libtiff/tif_open.c.