What is CVE-2020-36407?

CVE-2020-36407 is a high-severity vulnerability in Aomedia Libavif, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-07-01.

How severe is CVE-2020-36407?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Aomedia Libavif

CVE-2020-36407

libavif 0.8.0 and 0.8.1 has an out-of-bounds write in avifDecoderDataFillImageGrid.

Vulnerability class: Buffer Overflow

Published 2021-07-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (71.7th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: +0.000

Affected products

Aomedia Libavif — versions 0.8.0, 0.8.1
Linux Kernel

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/AOMediaCodec/libavif/commit/0a8e7244d494ae98e9756355dfbfb6697ded2ff9 (Patch, Third Party Advisory)
bugs.chromium.org/p/oss-fuzz/issues/detail (Exploit, Patch, Third Party Advisory, Issue Tracking)
github.com/google/oss-fuzz-vulns/blob/main/vulns/libavif/OSV-2020-1597.yaml (Third Party Advisory)

Frequently asked questions

What is CVE-2020-36407?: CVE-2020-36407 is a high-severity vulnerability in Aomedia Libavif, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-07-01.
How severe is CVE-2020-36407?: High severity. CVSS v3 base score is 8.8 out of 10.