8.8

CVE-2020-22032: debian debian_linux Out-of-bounds Write

CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2020-22032DEBIAN-CVE-2020-22032
Published 27-05-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-22032 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 1.92% chance of exploitation in the next 30 days, higher than 79.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
46/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
1.92%
0%100%
Low · +0.07 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 7 · Duplicates 1 · Related 5
DLA-2742-1DSA-4990-1OPENSUSE-SU-2021:2322-1SUSE-SU-2021:2322-1SUSE-SU-2021:2929-1USN-5167-1

Timeline

  1. 27-05-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A heap-based Buffer Overflow vulnerability exists FFmpeg 4.2 at libavfilter/vf_edgedetect.c in gaussian_blur, which might lead to memory corruption and other potential consequences.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.92%

Chance of exploitation in the next 30 days

Percentile

80%

Versus all other CVEs

30-day change

+0.07 pp

From 1.85% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.92%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (trac.ffmpeg.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Ubuntu2 products
  • ffmpeg< 7:2.8.17-0ubuntu0.1+esm3 | < 7:3.4.11-0ubuntu0.1 | < 7:4.2.7-0ubuntu0.1
  • qtwebengine-opensource-srcAll versions (No fix recorded)
Ffmpeg1 product

3 vendors · 5 products

References

9 links