NULL pointer dereference in Ffmpeg
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.
EPSS: 0.020 (78.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Ffmpeg
- Canonical Ubuntu_linux — versions 16.04, 18.04, 20.04
- Debian Debian_linux — versions 9.0, 10.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-17539?
- CVE-2019-17539 is a critical-severity vulnerability in Ffmpeg, classified under NULL Pointer Dereference. CVSS score: 9.8/10. Published 2019-10-14.
- How severe is CVE-2019-17539?
- Critical severity. CVSS v3 base score is 9.8 out of 10.