What is CVE-2018-7751?

CVE-2018-7751 is a medium-severity vulnerability in Ffmpeg, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2018-04-24.

How severe is CVE-2018-7751?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Ffmpeg

CVE-2018-7751

The svg_probe function in libavformat/img2dec.c in FFmpeg through 3.4.2 allows remote attackers to cause a denial of service (Infinite Loop) via a crafted XML file.

Published 2018-04-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.023 (82.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.023 · change: -0.001

Affected products

Ffmpeg

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

www.securityfocus.com/bid/103956 (VDB Entry, Third Party Advisory, vdb-entry)
git.ffmpeg.org/gitweb/ffmpeg.git/commit/a6cba062051f345e8ebfdff34aba071ed73d923f (Patch)
security.gentoo.org/glsa/202003-65 (vendor-advisory)

Frequently asked questions

What is CVE-2018-7751?: CVE-2018-7751 is a medium-severity vulnerability in Ffmpeg, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2018-04-24.
How severe is CVE-2018-7751?: Medium severity. CVSS v3 base score is 6.5 out of 10.