ubuntu.com Open in urlscan Pro
185.125.190.21  Public Scan

Submitted URL: http://people.ubuntu.com/~ubuntu-security/cve/CVE-2021-38092
Effective URL: https://ubuntu.com/security/CVE-2021-38092
Submission: On November 01 via api from US — Scanned from GB

Form analysis 1 forms found in the DOM

/search

<form action="/search" class="p-search-box is-light js-search-form">
  <!-- honeypot search input -->
  <input type="search" id="search" class="p-search-box__input u-hide " name="search" placeholder="Search our sites" aria-label="Search our sites" value="">
  <!-- end of honeypot search input -->
  <input type="search" class="p-search-box__input" name="q" placeholder="Search our sites" required="" aria-label="Search our sites">
  <button type="reset" class="p-search-box__reset">
    <i class="p-icon--close"></i>
  </button>
  <button type="submit" class="p-search-box__button">
    <i class="p-icon--search"></i>
  </button>
</form>

Text Content

Skip to main content
Canonical Ubuntu
 * 
 * Menu

 * Products
 * Use cases
 * Support
 * Community
 * Get Ubuntu
 * All Canonical
   * Back
   * Products
     * Back
     * Canonical
     * Ubuntu
     * Ubuntu Pro
     * Snapcraft
     * LXD
     * MAAS
     * OpenStack
     * Ceph
     * Kubernetes
     * Juju
   * Also from Canonical
     * Back
     * Anbox Cloud
     * Launchpad
     * Ubuntu on public clouds
     * Multipass
     * Cloud-init
     * Landscape
     * Netplan
     * Charmed Kubeflow
     * MicroCloud
   * About
     * Back
     * Canonical
     * Press centre
     * Careers
     * Blog
     * Documentation
     * Resources
     * Partners
     * Contact us
 * Sign in
 * 





 * Canonical
   
   Get to know Canonical, the company behind the products.

 * Ubuntu
   
   The world's favourite Linux OS for servers, desktops and IoT.

 * Ubuntu Pro
   
   One subscription for security maintenance, support, FIPS and other compliance
   certifications.

 * Snapcraft
   
   The app store for Linux: secure packages and ultra-reliable updates.

 * LXD
   
   A pure-container hypervisor. Run system containers and VMs at scale.

 * MAAS
   
   Build a bare metal cloud with super fast server provisioning.

 * OpenStack
   
   Upgrades, maintenance, support, and fully managed options for long-term,
   low-cost infra.

 * Ceph
   
   Software-defined storage that lowers your total cost of ownership.

 * Kubernetes
   
   App portability for K8s on VMware, Amazon, Azure, Google, Oracle, IBM and
   bare metal.

 * Juju
   
   Deploy, integrate and manage applications at any scale, on any
   infrastructure.

--------------------------------------------------------------------------------

Also from Canonical
Anbox Cloud

Stream Android applications to any device.

Launchpad

The software collaboration platform behind Ubuntu.

Ubuntu on public clouds

Optimised Ubuntu for public clouds.

Multipass

Spin up Ubuntu VMs on Windows, Mac and Linux.

Cloud-init

Control and customise your cloud instances.

Landscape

Systems management and security patching for Ubuntu.

Netplan

Simplify and standardise complex network configuration.

Charmed Kubeflow

AI and MLOps at any scale, on any cloud.

MicroCloud

Deploy a fully functional cloud in minutes.

--------------------------------------------------------------------------------

About
 * Canonical
 * Press centre
 * Careers
 * Blog
 * Documentation
 * Resources
 * Partners
 * Contact us


Security
 * ESM
 * Livepatch
 * Certifications & Hardening
 * CVEs
 * Notices
 * Docker Images

Your submission was sent successfully! Close

Thank you for contacting us. A member of our team will be in touch shortly.
Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and
upcoming events where you can meet our team.Close


CVE-2021-38092

Publication date 20 September 2021

Last updated 24 July 2024

--------------------------------------------------------------------------------

Ubuntu priority

Medium

Why this priority?


CVSS 3 SEVERITY SCORE

8.8 · High

Score breakdown

Toggle side navigation

Toggle table of contents
 * Description
 * Status
 * Notes
 * Severity score breakdown
 * References

Integer Overflow vulnerability in function filter_prewitt in
libavfilter/vf_convolution.c in Ffmpeg 4.2.1, allows attackers to cause a Denial
of Service or other unspecified impacts.

Read the notes from the security team


STATUS

Show unmaintained releases



Package Ubuntu Release Status ffmpeg 24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
21.10 impish
Not affected
21.04 hirsute
Not affected
20.04 LTS focal
Fixed 7:4.2.7-0ubuntu0.1+esm3

Ubuntu Pro

Fix available with Ubuntu Pro via ESM Apps.A fix from the community might become
publicly availablein the future.

18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release qtwebengine-opensource-src 24.10 oracular
Needs evaluation
24.04 LTS noble
Needs evaluation
23.10 mantic Ignored end of life, was needs-triage 23.04 lunar Ignored end of
life, was needs-triage 22.10 kinetic Ignored end of life, was needs-triage 22.04
LTS jammy
Needs evaluation
21.10 impish Ignored end of life 21.04 hirsute Ignored end of life 20.04 LTS
focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial Ignored end of standard support 14.04 LTS trusty Not in release
vice 24.10 oracular
Needs evaluation
24.04 LTS noble
Needs evaluation
23.10 mantic Ignored end of life, was needs-triage 23.04 lunar Ignored end of
life, was needs-triage 22.10 kinetic Ignored end of life, was needs-triage 22.04
LTS jammy
Needs evaluation
21.10 impish Ignored end of life 21.04 hirsute Ignored end of life 20.04 LTS
focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Not in release

--------------------------------------------------------------------------------

 * How can I get the fixes?
 * What do statuses mean?


GET EXPANDED SECURITY COVERAGE WITH UBUNTU PRO

Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE
patching, ten-years security maintenance and optional support for the full stack
of open-source applications. Free for personal use.

Get Ubuntu Pro


NOTES

--------------------------------------------------------------------------------


EBARRETTO

ffmpeg: same fix as CVE-2020-20898


SEVERITY SCORE BREAKDOWN

Parameter Value Base score 8.8 · High Attack vector Network Attack complexity
Low Privileges required None User interaction Required Scope Unchanged
Confidentiality High Integrity impact High Availability impact High Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H


REFERENCES

 * MITRE
 * NVD
 * Launchpad
 * Debian


RELATED UBUNTU SECURITY NOTICES (USN)

 * USN-6449-1
 * FFmpeg vulnerabilities
 * 24 October 2023


OTHER REFERENCES

 * https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/99f8d32129dd233d4eb2efa44678a0bc44869f23
 * https://trac.ffmpeg.org/ticket/8263
 * https://www.cve.org/CVERecord?id=CVE-2021-38092

--------------------------------------------------------------------------------


OPENSTACK OPENSTACK

 * What is OpenStack
 * Features
 * Managed
 * Consulting
 * Install
 * Support

--------------------------------------------------------------------------------


CEPH CEPH

 * What is Ceph
 * Managed
 * Consulting
 * Docs
 * Install

--------------------------------------------------------------------------------


KUBERNETES KUBERNETES

 * What is Kubernetes
 * Charmed Kubernetes
 * Managed
 * Install
 * Docs
 * Resources

--------------------------------------------------------------------------------


MANAGED SERVICES MANAGED SERVICES

 * OpenStack
 * Kubernetes
 * Ceph
 * Apps
 * Observability
 * Firefighting

--------------------------------------------------------------------------------


AI / ML AI / ML

 * MLOps
 * Kubeflow
 * MLflow
 * Consulting
 * Data Science

--------------------------------------------------------------------------------


ROBOTICS ROBOTICS

 * What is ROS
 * ROS ESM
 * Community
 * Docs

--------------------------------------------------------------------------------


IOT IOT

 * App store
 * Embedded Linux
 * Management

--------------------------------------------------------------------------------


UBUNTU CORE UBUNTU CORE

 * Features
 * Success stories
 * Services
 * Docs

--------------------------------------------------------------------------------


UBUNTU DESKTOP UBUNTU DESKTOP

 * Organisations
 * Developers
 * Flavours
 * WSL

--------------------------------------------------------------------------------


UBUNTU SERVER UBUNTU SERVER

 * Hyperscale
 * Docs

--------------------------------------------------------------------------------


CLOUD CLOUD

 * What is cloud computing
 * What is private cloud
 * What is hybrid cloud
 * What is multi-cloud
 * Public cloud

--------------------------------------------------------------------------------


SECURITY SECURITY

 * ESM
 * Livepatch
 * Certifications & Hardening
 * CVEs
 * Notices
 * Docker Images

--------------------------------------------------------------------------------


LANDSCAPE LANDSCAPE

 * Features
 * Managed
 * Pricing
 * Install
 * Docs
 * Log in to Landscape

--------------------------------------------------------------------------------


CONTAINERS CONTAINERS

 * What are containers
 * Chiselled Ubuntu
 * Chiselled and .NET

--------------------------------------------------------------------------------


DOWNLOADS DOWNLOADS

 * Desktop
 * Server
 * Core
 * Cloud

--------------------------------------------------------------------------------


SUPPORT SUPPORT

 * Your subscriptions
 * Account users
 * Pricing
 * Discourse

--------------------------------------------------------------------------------


OBSERVABILITY OBSERVABILITY

 * What is observability
 * Managed

--------------------------------------------------------------------------------


PRICING PRICING

 * Consulting
 * Desktops
 * Devices

--------------------------------------------------------------------------------


SOLUTIONS

 * AI
 * Data
 * Infrastructure
 * Secure open source

--------------------------------------------------------------------------------


SECTORS

 * Automotive
 * Industrial
 * Government
 * Telco
 * Finance

--------------------------------------------------------------------------------

Contact us
 * About us
 * Community
 * Careers
 * Blog
 * Resources
 * Press centre

 * 
 * 
 * 
 * 
 * 

--------------------------------------------------------------------------------

© 2024 Canonical Ltd.

Ubuntu and Canonical are registered trademarks of Canonical Ltd.

--------------------------------------------------------------------------------

 * Legal information
 * Data privacy
 * Manage your tracker settings
 * Report a bug on this site

Back to top

Go to the top of the page



YOUR TRACKER SETTINGS

We use cookies and similar methods to recognise visitors and remember
preferences. We also use them to measure campaign effectiveness and analyse site
traffic.

By selecting ‘Accept‘, you consent to the use of these methods by us and trusted
third parties.

For further details or to change your consent choices at any time see our cookie
policy.

Accept all and visit site Manage your tracker settings