CVE-2018-7557 Denial of service in n/a
Remote attackers can cause a denial of service via a crafted AVI file exploiting an out-of-bounds read in FFmpeg's Ut Video decoder.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-7557?
CVE-2018-7557 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 28 Feb 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The decode_init function in libavcodec/utvideodec.c in FFmpeg 2.8 through 3.4.2 allows remote attackers to cause a denial of service (Out of array read) via an AVI file with crafted dimensions within chroma subsampling data.
Weakness: CWE-125
Which versions are affected by CVE-2018-7557?
It affects 2 products.
Products include Debian Debian Linux, Ffmpeg Ffmpeg.
How do I fix CVE-2018-7557?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-7557 being exploited?
There is no known exploitation of CVE-2018-7557 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as CLEANSTART-2024-UD93044, DEBIAN-CVE-2018-7557, GHSA-6wh2-f463-c2vf, UBUNTU-CVE-2018-7557.