CVE-2018-17478: google chrome Improper Validation of Array Index
Vulnerability summary
CVE-2018-17478 is a high (CVSS 8.8) Improper Validation of Array Index vulnerability in google chrome. EPSS estimates a 1.10% chance of exploitation in the next 30 days, higher than 65.8% of scored vulnerabilities.
Not severe (CVSS 8.8, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4 · Related 3Timeline
- 27-06-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Incorrect array position calculations in V8 in Google Chrome prior to 70.0.3538.102 allowed a remote attacker to potentially exploit object corruption via a crafted HTML page.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.10%
Chance of exploitation in the next 30 days
Percentile
66%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.10% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- chromium-browser< 70.0.3538.102-1~deb9u1
Google1 product
- chrome≥ unspecified, < 70.0.3538.102 | < 70.0.3538.102
Ubuntu1 product
- chromium-browser< 70.0.3538.110-0ubuntu0.16.04.1 | < 70.0.3538.110-0ubuntu0.18.04.1
3 vendors · 3 products
References
4 links- crbug.com/897512X Refsource MISC