CVE-2018-9841 Denial of service in n/a
Remote attackers can cause a denial of service via out-of-array access in FFmpeg's signature filter when processing long filenames.
- 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-2018-9841?
CVE-2018-9841 is a high-severity denial of service vulnerability in Ffmpeg Ffmpeg, published on 7 Apr 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 export function in libavfilter/vf_signature.c in FFmpeg through 3.4.2 allows remote attackers to cause a denial of service (out-of-array access) or possibly have unspecified other impact via a long filename.
Weakness: CWE-125
Which versions are affected by CVE-2018-9841?
It affects 1 product.
Products include Ffmpeg Ffmpeg.
How do I fix CVE-2018-9841?
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-2018-9841 being exploited?
There is no known exploitation of CVE-2018-9841 in the wild and no public exploit code.
Other vulnerabilities in Ffmpeg Ffmpeg
Sources
Also known as CLEANSTART-2024-DF90388, DEBIAN-CVE-2018-9841, GHSA-pch3-qm5g-746r, UBUNTU-CVE-2018-9841.