What is CVE-2016-7562?

CVE-2016-7562 is a medium-severity vulnerability in Ffmpeg, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2016-12-23.

How severe is CVE-2016-7562?

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

Buffer overflow in Ffmpeg

CVE-2016-7562

The ff_draw_pc_font function in libavcodec/cga_data.c in FFmpeg before 3.1.4 allows remote attackers to cause a denial of service (buffer overflow) via a crafted AVI file.

Vulnerability class: Buffer Overflow

Published 2016-12-23 · 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: 0.017 (76.9th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Ffmpeg

Weakness classification (CWE)

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

References

www.openwall.com/lists/oss-security/2016/10/08/1 (mailing-list, Mailing List, Third Party Advisory)
security.gentoo.org/glsa/201701-71 (vendor-advisory)
www.securityfocus.com/bid/94835 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2016-7562?: CVE-2016-7562 is a medium-severity vulnerability in Ffmpeg, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2016-12-23.
How severe is CVE-2016-7562?: Medium severity. CVSS v3 base score is 5.5 out of 10.