Home » IT security: UNIX and Windows at risk – IT security warning about new bug in ffmpeg

IT security: UNIX and Windows at risk – IT security warning about new bug in ffmpeg

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IT security: UNIX and Windows at risk – IT security warning about new bug in ffmpeg

There is a current security warning for ffmpeg. Here you can find out what threatens the IT security of UNIX and Windows systems, how high the risk level is and what you should do about it.

The Federal Office for Security in Information Technology (BSI) reported a security advisory for ffmpeg on April 17, 2024. The security vulnerability affects the operating systems UNIX and Windows as well as the open source product ffmpeg.

The latest manufacturer recommendations regarding updates, workarounds and security patches for this vulnerability can be found here: NIST Vulnerability Database (As of April 17, 2024). Other useful resources are listed later in this article.

Security warning for ffmpeg – risk: high

Risk level: 3 (high)
CVSS Base Score: 8,6
CVSS Temporal Score: 7,5
Remoteangriff: Ja

The Common Vulnerability Scoring System (CVSS) is used to assess the vulnerability of computer systems. The CVSS standard makes it possible to compare potential or actual security vulnerabilities based on various metrics in order to create a priority list for taking countermeasures. The attributes “none”, “low”, “medium”, “high” and “critical” are used to determine the severity levels of a vulnerability. The Base Score evaluates the requirements for an attack (including authentication, complexity, privileges, user interaction) and its consequences. The temporal score also takes changes over time in the danger situation into account. According to the CVSS, the severity of the current vulnerability is rated as “high” with a base score of 8.6.

ffmpeg Bug: Multiple vulnerabilities allow denial of service

The FFmpeg project consists of free programs and libraries that make it possible to record, convert, stream and play digital video and audio material. It also contains libavcodec, an audio and video codec collection that provides various codecs.

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An attacker can exploit multiple vulnerabilities in ffmpeg to conduct a denial of service attack.

The vulnerability is identified with the unique CVE (Common Vulnerabilities and Exposures) identification numbers. CVE-2024-31578, CVE-2024-31581, CVE-2024-31582 und CVE-2024-31585 traded.

Systems affected by the ffmpeg vulnerability at a glance

Operating systems
UNIX, Windows

Products
Open Source ffmpeg n6.1 (cpe:/a:ffmpeg:ffmpeg)
Open Source ffmpeg n6.1 (cpe:/a:ffmpeg:ffmpeg)
Open Source ffmpeg >=n5.1 (cpe:/a:ffmpeg:ffmpeg)
Open Source ffmpeg >=n5.1 (cpe:/a:ffmpeg:ffmpeg)

General measures for dealing with IT security gaps

Users of the affected applications should keep them up to date. When security gaps become known, manufacturers are required to fix them as quickly as possible by developing a patch or a workaround. If security patches are available, install them promptly. For information, consult the sources listed in the next section. These often contain further information about the latest version of the software in question as well as the availability of security patches or information about workarounds. If you have any further questions or uncertainties, please contact your responsible administrator. IT security managers should regularly check when the IT security warning Affected manufacturers provide a new security update.

Sources of updates, patches and workarounds

Here you will find further links with information about bug reports, security fixes and workarounds.

NIST Vulnerability Database vom 2024-04-17 (17.04.2024)
For more information, see:

NIST Vulnerability Database vom 2024-04-17 (17.04.2024)
For more information, see:

NIST Vulnerability Database vom 2024-04-17 (17.04.2024)
For more information, see:

NIST Vulnerability Database vom 2024-04-17 (17.04.2024)
For more information, see:

Version history of this security alert

This is the initial version of this IT security notice for ffmpeg. This text will be updated as updates are announced. You can read about changes or additions in this version history.

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April 17, 2024 – Initial version

+++ Editorial note: This text was generated based on current BSI data and will be updated in a data-driven manner depending on the warning situation. We accept feedback and comments at [email protected]. +++

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