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.

The EPSS score is 0.00111.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

No data.

No data.

No data.

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Vendors Products
Aleksoid1978 Subscribe
Mpc-be Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

Sun, 02 Aug 2026 00:15:00 +0000

Type Values Removed Values Added
Title MP4 Buffer Size Division-by-Zero Exploit in MPC-BE Enables DoS

Wed, 29 Jul 2026 22:00:00 +0000

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

Wed, 29 Jul 2026 16:15:00 +0000

Type Values Removed Values Added
First Time appeared Aleksoid1978
Aleksoid1978 mpc-be
Vendors & Products Aleksoid1978
Aleksoid1978 mpc-be

Fri, 24 Jul 2026 18:30:00 +0000

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

Wed, 22 Jul 2026 15:00:00 +0000

Type Values Removed Values Added
Title Division-by-Zero Vulnerability in MPC‑BE MP4 Parsing Allows DoS

Fri, 17 Jul 2026 13:45:00 +0000

Type Values Removed Values Added
Title Division-by-Zero Vulnerability in MPC‑BE MP4 Parsing Allows DoS

Wed, 15 Jul 2026 10:45:00 +0000

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

Tue, 14 Jul 2026 00:45:00 +0000

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

Mon, 13 Jul 2026 04:45:00 +0000

Type Values Removed Values Added
Title Denial of Service via Division-by-Zero in MPC‑BE MP4 Parsing

Sat, 11 Jul 2026 17:00:00 +0000

Type Values Removed Values Added
Title Denial of Service via Division-by-Zero in MPC‑BE MP4 Parsing

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

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

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

Status : Deferred

Published: 2026-07-01T22:16:48.703

Modified: 2026-07-02T17:42:23.640

Link: CVE-2026-36911

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-02T00:00:14Z

Weaknesses