What is CVE-2017-14767?

CVE-2017-14767 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 2017-09-27.

How severe is CVE-2017-14767?

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

Buffer overflow in Ffmpeg

CVE-2017-14767

The sdp_parse_fmtp_config_h264 function in libavformat/rtpdec_h264.c in FFmpeg before 3.3.4 mishandles empty sprop-parameter-sets values, which allows remote attackers to cause a denial of service (heap buffer overflow) or possibly have unspecified other impact via a crafted sdp file.

Vulnerability class: Buffer Overflow

Published 2017-09-27 · 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: 0.027 (85.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000

Affected products

Ffmpeg

Weakness classification (CWE)

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

References

github.com/FFmpeg/FFmpeg/commit/c42a1388a6d1bfd8001bf6a4241d8ca27e49326d (Patch, Third Party Advisory, Issue Tracking)
www.securityfocus.com/bid/101019 (VDB Entry, Third Party Advisory, vdb-entry)
lists.debian.org/debian-lts-announce/2019/01/msg00006.html (mailing-list)
www.debian.org/security/2017/dsa-3996 (vendor-advisory)

Frequently asked questions

What is CVE-2017-14767?: CVE-2017-14767 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 2017-09-27.
How severe is CVE-2017-14767?: High severity. CVSS v3 base score is 8.8 out of 10.