VDB-305757 · CVE-2025-43967 · ID 1455

struktur libheif up to 1.19.5 image-items/grid.cc get_decoder null pointer dereference

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
2.6	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in struktur libheif up to 1.19.5. Affected by this issue is the function ImageItem_Grid::get_decoder of the file image-items/grid.cc. Performing a manipulation results in null pointer dereference. This vulnerability is reported as CVE-2025-43967. The attack requires a local approach. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in struktur libheif up to 1.19.5. This affects the function ImageItem_Grid::get_decoder of the file image-items/grid.cc. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2025-43967 since 04/20/2025. The exploitability is told to be difficult. An attack has to be approached locally. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 253450 (TencentOS Server 4: libheif (TSSA-2025:0631)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.19.6 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 6e35af7b0ff9fb6cc952a1539590d160db32f671 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (253450) and EUVD (EUVD-2025-11957). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

struktur

Name

libheif

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.7
VulDB Meta Temp Score: 2.6

VulDB Base Score: 2.5
VulDB Temp Score: 2.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 2.9
CNA Vector (MITRE): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 253450
Nessus Name: TencentOS Server 4: libheif (TSSA-2025:0631)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libheif 1.19.6
Patch: 6e35af7b0ff9fb6cc952a1539590d160db32f671

Timelineinfo

04/20/2025 🔍
04/21/2025 +1 days 🔍
04/21/2025 +0 days 🔍
08/21/2025 +122 days 🔍

Sourcesinfo

Advisory: 1455
Status: Confirmed

CVE: CVE-2025-43967 (🔍)
GCVE (CVE): GCVE-0-2025-43967
GCVE (VulDB): GCVE-100-305757
EUVD: 🔍

Entryinfo

Created: 04/21/2025 03:05
Updated: 08/21/2025 21:40
Changes: 04/21/2025 03:05 (69), 05/24/2025 23:26 (1), 08/21/2025 21:40 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.