8.8

CVE-2020-36407: aomedia libavif Out-of-bounds Write

CVSS: 8.8v3.1HighModified
AliasesPYSEC-2021-892DEBIAN-CVE-2020-36407
Published 01-07-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-36407 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in aomedia libavif. EPSS estimates a 1.41% chance of exploitation in the next 30 days, higher than 72.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
1.41%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 01-07-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.41%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

0.00 pp

From 1.41% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.41%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugs.chromium.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Aomedia1 product
Debian1 product
  • libavif< 0.8.2-1
PyPI1 product
  • avif≤ 0.8.1

3 vendors · 3 products

References

4 links