What is CVE-2017-9992?

CVE-2017-9992 is a high-severity vulnerability in Ffmpeg, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2017-06-28.

How severe is CVE-2017-9992?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Ffmpeg

CVE-2017-9992

Heap-based buffer overflow in the decode_dds1 function in libavcodec/dfa.c in FFmpeg 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 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted file.

Vulnerability class: Buffer Overflow

Published 2017-06-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.028 (85.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000

Affected products

Ffmpeg
Debian Linux — versions 8.0

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

github.com/FFmpeg/FFmpeg/commit/f52fbf4f3ed02a7d872d8a102006f29b4421f360 (Patch, Third Party Advisory, Issue Tracking)
www.securityfocus.com/bid/99319 (VDB Entry, Third Party Advisory, vdb-entry)
bugs.chromium.org/p/oss-fuzz/issues/detail (Third Party Advisory, Issue Tracking)
www.debian.org/security/2017/dsa-4012 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2017-9992?: CVE-2017-9992 is a high-severity vulnerability in Ffmpeg, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2017-06-28.
How severe is CVE-2017-9992?: High severity. CVSS v3 base score is 8.8 out of 10.