Buffer overflow in Ffmpeg

CVE-2017-9996

The cdxl_decode_frame function in libavcodec/cdxl.c in FFmpeg 2.8.x before 2.8.12, 3.0.x before 3.0.8, 3.1.x before 3.1.8, 3.2.x before 3.2.5, and 3.3.x before 3.3.1 does not exclude the CHUNKY format, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted file.

Vulnerability class: Buffer Overflow

EPSS: 0.018 (76.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

  • Ffmpeg — versions 2.8, 2.8.1, 2.8.2
  • N/a — versions n/a

Weakness classification (CWE)

References

  • cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)
  • cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
  • cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2017-9996?
CVE-2017-9996 is a high-severity vulnerability in Ffmpeg, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-06-28.
How severe is CVE-2017-9996?
High severity. CVSS v3 base score is 7.8 out of 10.