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FFmpeg EUVDEUVD-2026-67318

| CVE-2026-38345 MEDIUM
Divide By Zero (CWE-369)
2026-08-27 mitre GHSA-rgh2-m3vh-23hp
Denial Of Service Red Hat Suse
6.5
CVSS 3.1 · Vendor: mitre
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Severity by source

Vendor (mitre) PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
vuln.today AI
6.5 MEDIUM

Network-delivered crafted file requiring passive user action (UI:R); impact is crash-only with no confidentiality or integrity consequence.

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SUSE
MEDIUM
qualitative
Red Hat
5.5 MEDIUM
qualitative

Primary rating from Vendor (mitre).

CVSS VectorVendor: mitre

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

5
Metadata Corrected
Sep 02, 2026 - 19:40 vuln.today
tag: N A removed
Analysis Generated
Sep 02, 2026 - 19:34 vuln.today
CVSS changed
Sep 02, 2026 - 19:22 NVD
6.5 (MEDIUM)
CVE Published
Aug 27, 2026 - 00:00 cve.org
UNKNOWN (no severity yet)
CVE Published
Aug 27, 2026 - 00:00 cve.org
MEDIUM 6.5

DescriptionCVE.org

A Division-by-Zero vulnerability in the ff_sws_init_single_context function (/libswscale/utils.c) of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

AnalysisAI

Division-by-zero in FFmpeg's libswscale library allows remote attackers to crash the process by supplying a crafted media file that triggers an unhandled zero-divisor during scaling context initialization. The fault occurs in ff_sws_init_single_context within /libswscale/utils.c when malformed input parameters produce a zero-valued denominator, resulting in a process crash and denial of service. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Exploit
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Vulnerability AssessmentAI

Exploitation Exploitation requires delivering a crafted media file to an application that passes it through FFmpeg's libswscale library, specifically into ff_sws_init_single_context with parameters that produce a zero-valued divisor. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H scores 6.5, reflecting a network-deliverable, unauthenticated DoS requiring user interaction - for example, opening or submitting a crafted media file. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Monitor the upstream FFmpeg issue tracker at https://code.ffmpeg.org/FFmpeg/FFmpeg/issues/21585 for the authoritative patch and any associated tagged release. … Detailed patch versions, workarounds, and compensating controls in full report.
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Same weakness CWE-369 – Divide By Zero

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CVE-2021-29600 HIGH POC
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Same technique Denial Of Service

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CVE-2015-5119 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2011-0611 HIGH POC
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CVE-2012-1889 HIGH POC
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CVE-2012-0507 CRITICAL POC
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CVE-2014-1761 HIGH POC
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CVE-2015-5122 CRITICAL POC
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CVE-2011-0609 HIGH POC
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Vendor StatusVendor

SUSE

Severity: Moderate
Product Status
SUSE Linux Enterprise Desktop 15 SP7 Affected
SUSE Linux Enterprise Desktop 15 SP7 Affected
SUSE Linux Enterprise Module for Desktop Applications 15 SP7 Affected
SUSE Linux Enterprise Module for Package Hub 15 SP7 Affected
SUSE Linux Enterprise Module for Package Hub 15 SP7 Affected

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EUVD-2026-67318 vulnerability details – vuln.today
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