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CVE-2026-36909

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

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.

CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
Vendors
Aleksoid1978
Products
Mpc-be
CVE-2026-36910

Memory Corruption in MPC‑BE MP4 Parser Leads to Denial of Service

An access violation in the BaseSplitterFile::Read function of Aleksoid1978 MPC-BE before commit 4341cb3 allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Aleksoid1978
Products
Mpc-be
CVE-2026-36911

MP4 Buffer Size Division-by-Zero Exploit in MPC-BE Enables DoS

A division-by-zero vulnerability in the CStreamSwitcherOutputPin::DecideBufferSize function of Aleksoid1978 MPC-BE before commit 4341cb3 allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Aleksoid1978
Products
Mpc-be
CVE-2026-36912

NULL Pointer Dereference in MPC‑BE Causing Denial of Service

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.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Aleksoid1978
Products
Mpc-be