A NULL pointer dereference in the AP4_AtomSampleTable::GetSample() function of Aleksoid1978 MPC-BE before commit 4341cb3 allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable yes

Technical Impact partial

Affected Vendors & Products

No data.

No data.

No data.

References
Link Providers
https://github.com/Aleksoid1978/MPC-BE/issues/1062 cve-icon cve-icon
https://github.com/axiomatic-systems/Bento4/issues/511 cve-icon
History

Thu, 09 Jul 2026 21:00:00 +0000

Type Values Removed Values Added
Title NULL pointer dereference in MP4 playback causes DoS

Thu, 09 Jul 2026 07:15:00 +0000

Type Values Removed Values Added
Title NULL pointer dereference in MP4 playback causes DoS

Wed, 08 Jul 2026 19:15:00 +0000

Type Values Removed Values Added
Title NULL Pointer Dereference in MPC‑BE's MP4 Parsing Causes Denial of Service

Wed, 08 Jul 2026 03:00:00 +0000

Type Values Removed Values Added
Title NULL Pointer Dereference in MPC‑BE's MP4 Parsing Causes Denial of Service

Tue, 07 Jul 2026 15:30:00 +0000

Type Values Removed Values Added
Title Null Pointer Dereference in MP4 Sample Table Causes Denial of Service

Tue, 07 Jul 2026 03:30:00 +0000

Type Values Removed Values Added
Title Null Pointer Dereference in MP4 Sample Table Causes Denial of Service

Mon, 06 Jul 2026 15:45:00 +0000

Type Values Removed Values Added
Title Null Pointer Dereference in MPC‑BE MP4 Parsing Causes DoS

Mon, 06 Jul 2026 03:15:00 +0000

Type Values Removed Values Added
Title Null Pointer Dereference in MPC‑BE MP4 Parsing Causes DoS

Sun, 05 Jul 2026 19:15:00 +0000

Type Values Removed Values Added
Title NULL Pointer Dereference Leading to Denial of Service in MPC‑BE Media Player

Sun, 05 Jul 2026 11:15:00 +0000

Type Values Removed Values Added
Title NULL Pointer Dereference Leading to Denial of Service in MPC‑BE Media Player

Sat, 04 Jul 2026 22:45:00 +0000

Type Values Removed Values Added
Title Null Pointer Dereference in MPC‑BE Leading to Denial of Service via Malicious MP4

Sat, 04 Jul 2026 11:30:00 +0000

Type Values Removed Values Added
Title Null Pointer Dereference in MPC‑BE Leading to Denial of Service via Malicious MP4

Sat, 04 Jul 2026 07:15:00 +0000

Type Values Removed Values Added
Title NULL Pointer Dereference Resulting in DoS via Crafted MP4 File in MPC-BE

Fri, 03 Jul 2026 19:30:00 +0000

Type Values Removed Values Added
Title NULL Pointer Dereference Resulting in DoS via Crafted MP4 File in MPC-BE

Fri, 03 Jul 2026 05:00:00 +0000

Type Values Removed Values Added
Title Null Pointer Dereference in MP4 Parsing Causing Denial of Service

Thu, 02 Jul 2026 19:30:00 +0000

Type Values Removed Values Added
Title Null Pointer Dereference in MP4 Parsing Causing Denial of Service

Thu, 02 Jul 2026 14:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-476
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 02 Jul 2026 11:00:00 +0000

Type Values Removed Values Added
Title Null Pointer Dereference in MPC‑BE Causing Denial of Service via Malformed MP4
Weaknesses CWE-476

Thu, 02 Jul 2026 04:15:00 +0000

Type Values Removed Values Added
Title Null Pointer Dereference in MPC‑BE Causing Denial of Service via Malformed MP4
Weaknesses CWE-476

Wed, 01 Jul 2026 21:45:00 +0000

Type Values Removed Values Added
Description A NULL pointer dereference in the AP4_AtomSampleTable::GetSample() function of Aleksoid1978 MPC-BE before commit 4341cb3 allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file.
References
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-07-01T00:00:00.000Z

Updated: 2026-07-02T13:02:22.870Z

Reserved: 2026-04-06T00:00:00.000Z

Link: CVE-2026-36912

cve-icon Vulnrichment

Updated: 2026-07-02T13:02:17.662Z

cve-icon NVD

No data.

cve-icon Redhat

No data.