CVE-2017-18247 Null dereference in n/a

Medium 6.5 Published Updated

Remote attackers can cause a denial of service via a crafted media file due to a NULL pointer dereference in Libav.

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-2017-18247?

CVE-2017-18247 is a medium-severity 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 av_audio_fifo_size function in libavutil/audio_fifo.c in Libav 12.2 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted media file.

Weakness: CWE-476

Which versions are affected by CVE-2017-18247?

It affects 1 product.

Products include Libav Libav.

How do I fix CVE-2017-18247?

No fix has been published for CVE-2017-18247 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-18247 being exploited?

There is no known exploitation of CVE-2017-18247 in the wild and no public exploit code.

All Libav Libav vulnerabilities

Sources

Also known as GHSA-ww84-6q95-5pgr.

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