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.
Published: 2026-07-01
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Sun, 02 Aug 2026 02:15:00 +0200

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

Thu, 30 Jul 2026 00:00:00 +0200

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

Wed, 29 Jul 2026 18:15:00 +0200

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

Fri, 24 Jul 2026 20:30:00 +0200

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

Wed, 22 Jul 2026 17:00:00 +0200

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

Fri, 17 Jul 2026 15:45:00 +0200

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

Wed, 15 Jul 2026 12:45:00 +0200

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

Tue, 14 Jul 2026 02:45:00 +0200

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

Mon, 13 Jul 2026 06:45:00 +0200

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

Sat, 11 Jul 2026 19:00:00 +0200

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

Wed, 08 Jul 2026 21:15:00 +0200

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

Wed, 08 Jul 2026 05:00:00 +0200

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

Tue, 07 Jul 2026 11:45:00 +0200

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

Mon, 06 Jul 2026 17:45:00 +0200

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

Mon, 06 Jul 2026 09:00:00 +0200

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

Sun, 05 Jul 2026 21:15:00 +0200

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

Sun, 05 Jul 2026 08:45:00 +0200

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 21:30:00 +0200

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 09:15:00 +0200

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

Fri, 03 Jul 2026 18:15:00 +0200

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

Fri, 03 Jul 2026 07:00:00 +0200

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

Thu, 02 Jul 2026 21:30:00 +0200

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

Thu, 02 Jul 2026 17:30:00 +0200

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 13:00:00 +0200

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 06:15:00 +0200

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 23:45:00 +0200

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

Subscriptions

Aleksoid1978 Mpc-be
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: 2026-08-02T02:00:14Z

Weaknesses