CVE-2016-9446: n/a vulnerability

CVE-2016-9446: The vmnc decoder in the gstreamer does not initialize the render canvas, which allows remote attackers to o...

The vmnc decoder in the gstreamer does not initialize the render canvas, which allows remote attackers to obtain sensitive information as demonstrated by thumbnailing a simple 1 frame vmnc movie that does not draw to the allocated render canvas.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 02:50 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2016-9446 is an information disclosure bug in GStreamer’s VMNC media decoder. A specially formed VMNC movie could cause the decoder to expose leftover memory through generated output, such as a thumbnail. Business impact depends on whether systems process untrusted media files. Most likely exposure is desktop, server, or application workflows that use GStreamer or gst-plugins-bad to preview, thumbnail, index, or transcode untrusted VMNC media. The source bundle does not enumerate exact affected product versions. Treat as a targeted information disclosure risk, not an emergency based on current evidence. Prioritize patching systems that automatically process external media or user uploads. Mitigation focus: Check vendor advisories for affected GStreamer or gst-plugins-bad packages.; Apply relevant Red Hat, Gentoo, Fedora, or upstream-supported updates.; Disable automatic processing of untrusted VMNC media until patched..

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

7Source 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://bugzilla.gnome.org/show_bug.cgi?id=774533CVE reference · x_refsource_CONFIRM
RHSA-2017:2060CVE reference · vendor-advisory, x_refsource_REDHAT
https://cgit.freedesktop.org/gstreamer/gst-plugins-bad/commit/gst/vmnc/vmncdec.c?id=4cb1bcf1422bbcd79c0f683edb7ee85e3f7a31feCVE reference · x_refsource_CONFIRM
https://scarybeastsecurity.blogspot.de/2016/11/0day-poc-risky-design-decisions-in.htmlCVE reference · x_refsource_MISC
GLSA-201705-10CVE reference · vendor-advisory, x_refsource_GENTOO
FEDORA-2021-ed54b1128aCVE reference · vendor-advisory, x_refsource_FEDORA

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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