8.8

CVE-2020-6530: debian debian_linux Out-of-bounds Write

CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2020-6530DEBIAN-CVE-2020-6530
Published 22-07-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-6530 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 1.49% chance of exploitation in the next 30 days, higher than 73.7% 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
1.49%
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 10 · Related 8

Timeline

  1. 22-07-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Out of bounds memory access in developer tools in Google Chrome prior to 84.0.4147.89 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.49%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

0.00 pp

From 1.49% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.49%

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
Opensuse2 products
Fedoraproject1 product
Google1 product
  • chrome≥ unspecified, < 84.0.4147.89 | < 84.0.4147.89
Ubuntu1 product
  • chromium-browser< 84.0.4147.105-0ubuntu0.16.04.1 | < 84.0.4147.105-0ubuntu0.18.04.1

5 vendors · 7 products

References

14 links
Show all 14 references