8.8

CVE-2020-6422: debian debian_linux Out-of-bounds Write

CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2020-6422DEBIAN-CVE-2020-6422
Published 20-03-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-6422 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 2.35% chance of exploitation in the next 30 days, higher than 83.4% 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
2.35%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 7 · Related 4

Timeline

  1. 20-03-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Use after free in WebGL in Google Chrome prior to 80.0.3987.149 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.35%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

0.00 pp

From 2.35% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.35%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (crbug.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Suse2 products
Fedoraproject1 product
Google1 product
  • chrome≥ unspecified, < 80.0.3987.149 | < 80.0.3987.149
Opensuse1 product
Ubuntu1 product
  • chromium-browser< 80.0.3987.149-0ubuntu0.16.04.1 | < 80.0.3987.149-0ubuntu0.18.04.1

6 vendors · 8 products

References

12 links
Show all 12 references