7.6

CVE-2020-6555: debian debian_linux Out-of-bounds Read

CVSS: 7.6v3.1HighModified
AliasesUBUNTU-CVE-2020-6555DEBIAN-CVE-2020-6555
Published 21-09-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-6555 is a high (CVSS 7.6) Out-of-bounds Read vulnerability in debian debian_linux. EPSS estimates a 2.16% chance of exploitation in the next 30 days, higher than 82% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.6/10
010
High · v3.1 (NVD)
EPSS score
2.16%
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 9 · Related 7
DSA-4824-1OPENSUSE-SU-2020:1206-1OPENSUSE-SU-2020:1214-1OPENSUSE-SU-2020:1215-1OPENSUSE-SU-2020:1320-1OPENSUSE-SU-2020:1324-1

Timeline

  1. 21-09-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Out of bounds read in WebGL in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.16%

Chance of exploitation in the next 30 days

Percentile

82%

Versus all other CVEs

30-day change

0.00 pp

From 2.16% on 21-09-2026

21-09-202621-10-2026
EPSS score
2.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (talosintelligence.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Fedoraproject1 product
Google1 product
  • chrome≥ unspecified, < 84.0.4147.125 | < 84.0.4147.125
Ubuntu1 product
  • chromium-browser< 85.0.4183.83-0ubuntu0.16.04.2 | < 85.0.4183.83-0ubuntu0.18.04.2

4 vendors · 5 products

References

9 links