CVE-2025-43967

LOW
2025-04-21 [email protected]
2.9
CVSS 3.1

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

Lifecycle Timeline

4
Analysis Generated
Mar 28, 2026 - 18:38 vuln.today
Patch Released
Mar 28, 2026 - 18:38 nvd
Patch available
PoC Detected
May 08, 2025 - 16:05 vuln.today
Public exploit code
CVE Published
Apr 21, 2025 - 00:15 nvd
LOW 2.9

Tags

Null Pointer Dereference Denial Of Service Libheif

Description

libheif before 1.19.6 has a NULL pointer dereference in ImageItem_Grid::get_decoder in image-items/grid.cc because a grid image can reference a nonexistent image item.

Analysis

libheif before 1.19.6 has a NULL pointer dereference in ImageItem_Grid::get_decoder in image-items/grid.cc because a grid image can reference a nonexistent image item. Rated low severity (CVSS 2.9), this vulnerability is no authentication required. Public exploit code available.

Technical Context

This vulnerability is classified as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. libheif before 1.19.6 has a NULL pointer dereference in ImageItem_Grid::get_decoder in image-items/grid.cc because a grid image can reference a nonexistent image item. Affected products include: Struktur Libheif. Version information: before 1.19.6.

Affected Products

Struktur Libheif.

Remediation

A vendor patch is available. Apply the latest security update as soon as possible. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.

Priority Score

35
Low Medium High Critical
KEV: 0
EPSS: +0.2
CVSS: +14
POC: +20

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CVE-2025-43967 vulnerability details – vuln.today
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