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.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable no

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
History

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

Type Values Removed Values Added
Title Division‑by‑Zero in MPC‑BE MP4 Buffer Size Calculation Causes DoS

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

Type Values Removed Values Added
Title Division‑by‑Zero in MPC‑BE MP4 Buffer Size Calculation Causes DoS

Tue, 07 Jul 2026 09:45:00 +0000

Type Values Removed Values Added
Title Division-by-Zero Vulnerability in MPC-BE Buffer-Size Calculation Enables Denial of Service

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

Type Values Removed Values Added
Title Division-by-Zero Vulnerability in MPC-BE Buffer-Size Calculation Enables Denial of Service

Mon, 06 Jul 2026 07:00:00 +0000

Type Values Removed Values Added
Title Division-by-Zero Buffer Size Bug Causes DoS in MPC-BE

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

Type Values Removed Values Added
Title Division-by-Zero Buffer Size Bug Causes DoS in MPC-BE

Sun, 05 Jul 2026 06:45:00 +0000

Type Values Removed Values Added
Title Division-by-Zero Crash in Media Player Classic – Basic Edition Leads to DoS via Malicious MP4

Sat, 04 Jul 2026 19:30:00 +0000

Type Values Removed Values Added
Title Division-by-Zero Crash in Media Player Classic – Basic Edition Leads to DoS via Malicious MP4

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

Type Values Removed Values Added
Title Division‑by‑Zero in MPC‑BE Buffer Size Calculation Causes Denial of Service

Fri, 03 Jul 2026 16:15:00 +0000

Type Values Removed Values Added
Title Division‑by‑Zero in MPC‑BE Buffer Size Calculation Causes Denial of Service

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

Type Values Removed Values Added
Title Division-by-Zero Crash in MPC-BE MP4 Parsing Leads to DoS

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

Type Values Removed Values Added
Title Division-by-Zero Crash in MPC-BE MP4 Parsing Leads to DoS

Thu, 02 Jul 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-369
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

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

Type Values Removed Values Added
Title Division‑By‑Zero Vulnerability in MPC‑BE Causing DoS via Malicious MP4
Weaknesses CWE-369

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

Type Values Removed Values Added
Title Division‑By‑Zero Vulnerability in MPC‑BE Causing DoS via Malicious MP4
Weaknesses CWE-369

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

Type Values Removed Values Added
Description 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.
References
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

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

Updated: 2026-07-02T14:40:28.915Z

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

Link: CVE-2026-36911

cve-icon Vulnrichment

Updated: 2026-07-02T14:39:58.973Z

cve-icon NVD

No data.

cve-icon Redhat

No data.