CVE-2017-18246 Memory corruption in n/a
Remote attackers can cause a denial of service via heap-based buffer over-read in Libav by providing a crafted media file.
- 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
- None listed
What is CVE-2017-18246?
CVE-2017-18246 is a medium-severity memory corruption vulnerability in Libav Libav, published on 23 Mar 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 pcm_encode_frame function in libavcodec/pcm.c in Libav 12.2 allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted media file.
Weakness: CWE-125
Which versions are affected by CVE-2017-18246?
It affects 1 product.
Products include Libav Libav.
How do I fix CVE-2017-18246?
No fix has been published for CVE-2017-18246 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-18246 being exploited?
There is no known exploitation of CVE-2017-18246 in the wild and no public exploit code.
Other vulnerabilities in Libav Libav
Sources
Also known as GHSA-rr77-8xvw-xxm9, UBUNTU-CVE-2017-18246.