CVE-2017-18247: Null Pointer Dereference
Published Mar 23, 2018
·Updated
The avaudiofifosize function in libavutil/audiofifo.c in Libav 12.2 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted media file.
Affected Software
1 affected component
Libav Libav=12.2
Event History
Mar 23, 2018
CVE Published
via MITRE·07:00 PM
Data Sourced
via MITRE·07:00 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2017-18247?
CVE-2017-18247 is classified as a high severity vulnerability due to the potential for denial of service.
2
How does CVE-2017-18247 affect Libav version 12.2?
CVE-2017-18247 allows remote attackers to exploit a NULL pointer dereference in Libav version 12.2.
3
What type of attack is associated with CVE-2017-18247?
CVE-2017-18247 is associated with a denial of service attack via crafted media files.
4
How do I fix CVE-2017-18247?
To fix CVE-2017-18247, upgrade Libav to a version newer than 12.2 that addresses this vulnerability.
5
What component of Libav is affected by CVE-2017-18247?
CVE-2017-18247 affects the av_audio_fifo_size function in libavutil/audio_fifo.c.