VDB-375691 · CVE-2026-36909 · Issue 1062

Aleksoid1978 MPC-BE AP4_TkhdAtom::GetTrackId 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.
3.4	$0-$5k	1.33

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Aleksoid1978 MPC-BE. This affects the function AP4_TkhdAtom::GetTrackId. This manipulation causes null pointer dereference. This vulnerability is handled as CVE-2026-36909. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability has been found in Aleksoid1978 MPC-BE (affected version unknown) and classified as problematic. Affected by this vulnerability is the function AP4_TkhdAtom::GetTrackId. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

A NULL pointer dereference in the AP4_TkhdAtom::GetTrackId() function of Aleksoid1978 MPC-BE before commit 4341cb3 allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-36909 since 04/06/2026. Technical details of the vulnerability are known, but there is no available exploit.

Applying a patch is able to eliminate this problem.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Aleksoid1978

Name

MPC-BE

Website

Product: https://github.com/Aleksoid1978/MPC-BE/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/06/2026 CVE reserved
07/01/2026 +86 days VulDB entry created
07/02/2026 +0 days Advisory disclosed
07/02/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 1062
Status: Confirmed

CVE: CVE-2026-36909 (🔒)
GCVE (CVE): GCVE-0-2026-36909
GCVE (VulDB): GCVE-100-375691

Entryinfo

Created: 07/02/2026 00:47
Changes: 07/02/2026 00:47 (54)
Complete: 🔍
Cache ID: 216::103