CVE-2016-9446: fedoraproject fedora Improper Initialization
Vulnerability summary
CVE-2016-9446 is a high (CVSS 7.5) Improper Initialization vulnerability in fedoraproject fedora. EPSS estimates a 3.60% chance of exploitation in the next 30 days, higher than 89.4% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 4% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 8 · Related 4Timeline
- 23-01-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
5 scores · 3 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
3.60%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.60% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat6 products
- enterprise_linux_desktop7.0
- enterprise_linux_eus7.4 | 7.5 | 7.6 | 7.7
- enterprise_linux_server7.0
- enterprise_linux_server_aus7.4 | 7.6 | 7.7
- enterprise_linux_server_tus7.6 | 7.7
Ubuntu2 products
- gst-plugins-bad0.10< 0.10.23-7.2ubuntu1.3
- gst-plugins-bad1.0< 1.2.4-1~ubuntu1.1 | < 1.8.2-1ubuntu0.2
Debian1 product
- gst-plugins-bad1.0< 1.10.1-1
Fedoraproject1 product
- fedoraEOL35
Gstreamer1 product
- gstreamer< 1.11.1
5 vendors · 11 products
References
13 links- bugzilla.gnome.org/show_bug.cgi?id=774533X Refsource CONFIRM
- cgit.freedesktop.org/gstreamer/…X Refsource CONFIRM
