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FFmpeg CVE-2026-38350

| EUVDEUVD-2026-67316 HIGH
Integer Overflow or Wraparound (CWE-190)
2026-08-27 mitre GHSA-5mvf-7pmf-w2w4
Integer Overflow Denial Of Service N A Red Hat Suse
7.5
CVSS 3.1 · Vendor: mitre
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Severity by source

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

Network vector is defensible for server-side ingest deployments accepting unauthenticated media; impact is availability-only with no C/I consequence.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SUSE
4.3 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
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
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

4
Analysis Generated
Aug 28, 2026 - 20:51 vuln.today
CVSS changed
Aug 28, 2026 - 20:22 NVD
7.5 (HIGH)
CVE Published
Aug 27, 2026 - 00:00 cve.org
HIGH 7.5
CVE Published
Aug 27, 2026 - 00:00 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

An integer overflow in the target_sws_fuzzer() function (libswscale/output.c) of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input.

AnalysisAI

Integer overflow in FFmpeg's libswscale image-scaling library (output.c) enables Denial of Service against any service or application that processes attacker-supplied media through the swscale API. The flaw, confirmed in snapshot build N-122528-gdd2976b9e1, resides in the target_sws_fuzzer() harness and indicates that the underlying scaling output path contains an integer wraparound reachable via crafted input. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
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Exploit
technique details hidden
Execution
technique details hidden
Impact
technique details hidden
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Vulnerability AssessmentAI

Exploitation Exploitation requires that an attacker can supply crafted media input to an FFmpeg process that invokes the libswscale scaling path. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The NVD-assigned CVSS 3.1 score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) reflects a plausible worst-case scenario where FFmpeg is deployed as a server-side transcoding service accepting unauthenticated user-supplied media. … 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 No vendor-released patch with an exact fixed version has been independently confirmed from the available data. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours, identify all systems and services using FFmpeg's libswscale library and document their role in business operations. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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Same weakness CWE-190 – Integer Overflow or Wraparound

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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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CVE-2026-38350 vulnerability details – vuln.today
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