CVE-2026-36909

Null Dereference in MPC-BE Media Player Leading to DoS via Malicious MP4

Published Jul 1, 2026 CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Aleksoid1978
Aleksoid1978 mpc-be
Vendors & Products Aleksoid1978
Aleksoid1978 mpc-be
Type Values Removed Values Added
Title Null Dereference in MPC-BE Media Player Leading to DoS via Malicious MP4
Type Values Removed Values Added
Title Null Pointer Dereference in MP4 Track ID Parsing Leading to Denial of Service
Type Values Removed Values Added
Title Null Pointer Dereference in MP4 Track ID Parsing Leading to Denial of Service
Type Values Removed Values Added
Title Null Pointer Dereference in MPC‑BE MP4 Decoder Causes DoS
Type Values Removed Values Added
Title Null Pointer Dereference in MPC‑BE MP4 Decoder Causes DoS
Type Values Removed Values Added
Title NULL Pointer Dereference in MPC‑BE MP4 Decoder Causes Denial of Service
Type Values Removed Values Added
Title NULL Pointer Dereference in MPC‑BE MP4 Decoder Causes Denial of Service
Type Values Removed Values Added
Title Null pointer dereference in MPC‑BE MP4 decoder causes DoS
Type Values Removed Values Added
Title Null pointer dereference in MPC‑BE MP4 decoder causes DoS
Type Values Removed Values Added
Title NULL Pointer Dereference in MPC‑BE MP4 Parser Causes Denial of Service
Type Values Removed Values Added
Title NULL Pointer Dereference in MPC‑BE MP4 Parser Causes Denial of Service
Type Values Removed Values Added
Title Null Pointer Dereference in MPC‑BE Media Player Enables DoS via Malicious MP4
Type Values Removed Values Added
Title Null Pointer Dereference in MPC‑BE Media Player Enables DoS via Malicious MP4
Type Values Removed Values Added
Title Null Pointer Dereference Leading to Denial of Service in MPC‑BE MP4 Parser
Type Values Removed Values Added
Title Null Pointer Dereference Leading to Denial of Service in MPC‑BE MP4 Parser
Type Values Removed Values Added
Title 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.
Type Values Removed Values Added
Title Null Pointer Dereference in MPC‑BE MP4 Decoder Causes Crash 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.
Type Values Removed Values Added
Title Null Pointer Dereference in MPC‑BE MP4 Decoder Causes Crash
Type Values Removed Values Added
Title Null Pointer Dereference in MPC‑BE MP4 Parser Causes Denial of Service
Type Values Removed Values Added
Title Null Pointer Dereference in MPC‑BE MP4 Parser Causes Denial of Service
Type Values Removed Values Added
Title Null Pointer Dereference Causing Denial of Service in MPC‑BE MP4 Decoder
Type Values Removed Values Added
Title Null Pointer Dereference Causing Denial of Service in MPC‑BE MP4 Decoder
Type Values Removed Values Added
Title Null Pointer Dereference in MPC-BE Leading to DoS via Crafted MP4
Type Values Removed Values Added
Title Null Pointer Dereference in MPC-BE Leading to DoS via Crafted MP4
Type Values Removed Values Added
Weaknesses CWE-476
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Null Pointer Dereference Leads to DoS in MPC‑BE MP4 Parsing
Weaknesses CWE-476
Type Values Removed Values Added
Title Null Pointer Dereference Leads to DoS in MPC‑BE MP4 Parsing
Weaknesses CWE-476
Type Values Removed Values Added
Description 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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jul 2, 2026, 2:17 PM
Reserved
Apr 6, 2026, 12:00 AM
Status
Deferred
Published
Jul 1, 2026, 10:16 PM
Modified
Jul 2, 2026, 5:42 PM