What is CVE-2017-5984?

CVE-2017-5984 is a medium-severity vulnerability in Libav, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2019-05-22.

How severe is CVE-2017-5984?

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

Out-of-bounds Read in Libav

CVE-2017-5984

In libavcodec in Libav 9.21, ff_h264_execute_ref_pic_marking() has a heap-based buffer over-read.

Vulnerability class: Buffer Overflow

Published 2019-05-22 · 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: 0.011 (65.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Libav — versions 9.21

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

bugzilla.libav.org/show_bug.cgi (Exploit, Patch, Third Party Advisory, Issue Tracking)
patches.libav.org/patch/62534/ (Patch, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2017-5984?: CVE-2017-5984 is a medium-severity vulnerability in Libav, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2019-05-22.
How severe is CVE-2017-5984?: Medium severity. CVSS v3 base score is 6.5 out of 10.