CVE-2016-6920: n/a vulnerability

CVE-2016-6920: Heap-based buffer overflow in the decode_block function in libavcodec/exr.c in FFmpeg before 3.1.3 allows r...

Heap-based buffer overflow in the decode_block function in libavcodec/exr.c in FFmpeg before 3.1.3 allows remote attackers to cause a denial of service (application crash) via vectors involving tile positions.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 01:43 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2016-6920 is a FFmpeg EXR image parsing flaw. A maliciously shaped EXR file can crash software using vulnerable FFmpeg versions before 3.1.3. Sources describe denial of service, not data theft or code execution. Exposure is most likely where FFmpeg before 3.1.3 processes untrusted EXR/OpenEXR media, including upload pipelines, transcoding services, media previewers, or bundled products that embed FFmpeg. Prioritize remediation for internet-facing or customer-upload media services. For internal-only systems without EXR processing, urgency is lower, but legacy FFmpeg should still be retired. Mitigation focus: Upgrade FFmpeg to 3.1.3 or a later vendor-supported fixed release.; Check appliance and application vendors for bundled FFmpeg updates.; Restrict untrusted EXR processing until vulnerable components are updated..

Prepared: Jun 13, 2026, 12:51 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jan 23, 2017, 21:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://www.ffmpeg.org/security.htmlCVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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