8.8

CVE-2020-22023: debian debian_linux Out-of-bounds Write

CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2020-22023DEBIAN-CVE-2020-22023
Published 27-05-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-22023 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 1.46% chance of exploitation in the next 30 days, higher than 73.1% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
1.46%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 4
DLA-2742-1DSA-4990-1OPENSUSE-SU-2021:2322-1SUSE-SU-2021:2322-1SUSE-SU-2021:2929-1USN-5472-1

Timeline

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

Description

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

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.46%

Chance of exploitation in the next 30 days

Percentile

73%

Versus all other CVEs

30-day change

0.00 pp

From 1.46% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.46%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Ffmpeg1 product
Ubuntu1 product
  • ffmpeg< 7:3.4.11-0ubuntu0.1 | < 7:4.2.7-0ubuntu0.1

3 vendors · 4 products

References

7 links