UpHeron
All vulnerabilities

Servers and applications

CVE-2019-17539

In FFmpeg before 4.2, avcodec_open2 in libavcodec/utils.c allows a NULL pointer dereference and possibly unspecified other impact when there is no valid close function pointer.

Severity
Critical 9.8
Published
14 Oct 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
3.4.7, 4.0.5, 4.1.5
Exploit chance
2% in the next 30 daysHigher than 81% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
FFmpegServers and applications · cpe:a:ffmpeg:ffmpeg
  • Every version before 3.4.7
  • From 4.0 before 4.0.5
  • From 4.1 before 4.1.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-17539
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-17539