What is CVE-2017-9220?

CVE-2017-9220 is a medium-severity vulnerability in Audiocoding Freeware Advanced Audio Decoder 2, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2017-06-27.

How severe is CVE-2017-9220?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Audiocoding Freeware Advanced Audio Decoder 2

CVE-2017-9220

The mp4ff_read_stco function in common/mp4ff/mp4atom.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.7 allows remote attackers to cause a denial of service (memory allocation error) via a crafted mp4 file.

Vulnerability class: Buffer Overflow

Published 2017-06-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (57.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Audiocoding Freeware Advanced Audio Decoder 2 — versions 2.7

Weakness classification (CWE)

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

References

seclists.org/fulldisclosure/2017/Jun/32 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2017-9220?: CVE-2017-9220 is a medium-severity vulnerability in Audiocoding Freeware Advanced Audio Decoder 2, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2017-06-27.
How severe is CVE-2017-9220?: Medium severity. CVSS v3 base score is 5.5 out of 10.