What is CVE-2017-7866?

CVE-2017-7866 is a critical-severity vulnerability in Ffmpeg, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2017-04-14.

How severe is CVE-2017-7866?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Ffmpeg

CVE-2017-7866

FFmpeg before 2017-01-23 has an out-of-bounds write caused by a stack-based buffer overflow related to the decode_zbuf function in libavcodec/pngdec.c.

Vulnerability class: Buffer Overflow

EPSS: 0.025 (83.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ffmpeg
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
cve@mitre.org (VDB Entry, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2017-7866?: CVE-2017-7866 is a critical-severity vulnerability in Ffmpeg, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2017-04-14.
How severe is CVE-2017-7866?: Critical severity. CVSS v3 base score is 9.8 out of 10.