CRITICAL · 9.8

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.

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
FfmpegFfmpeg< 3.4.7
DebianDebian Linux9.0
CanonicalUbuntu Linux16.04

Related Weaknesses (CWE)

References

FAQ

What is CVE-2019-17539?

CVE-2019-17539 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.

How severe is CVE-2019-17539?

CVE-2019-17539 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2019-17539?

Check the references section above for vendor advisories and patch information. Affected products include: Ffmpeg Ffmpeg, Debian Debian Linux, Canonical Ubuntu Linux.