8.8

CVE-2018-20066: google chrome Use After Free

CVSS: 8.8v3.0HighModified
AliasesUBUNTU-CVE-2018-20066DEBIAN-CVE-2018-20066
Published 09-01-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-20066 is a high (CVSS 8.8) Use After Free vulnerability in google chrome. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 47.6% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.0 (NVD)
EPSS score
0.60%
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 1
DSA-4352-1

Timeline

  1. 09-01-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Incorrect object lifecycle in Extensions in Google Chrome prior to 71.0.3578.80 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

0.60%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

0.00 pp

From 0.60% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.60%

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

Debian1 product
  • chromium< 71.0.3578.80-1
Google1 product
  • chrome≥ unspecified, < 71.0.3578.80 | < 71.0.3578.80
Ubuntu1 product
  • chromium-browser< 74.0.3729.169-0ubuntu0.16.04.1 | < 75.0.3770.90-0ubuntu0.18.04.1

3 vendors · 3 products

References

5 links