CVE-2018-6121: google chrome Improper Input Validation
CVSS: 8.8v3.0HighModified
AliasesUBUNTU-CVE-2018-6121
Published 27-06-2019Last modified 05-08-2024
Vulnerability summary
CVE-2018-6121 is a high (CVSS 8.8) Improper Input Validation vulnerability in google chrome. EPSS estimates a 0.91% chance of exploitation in the next 30 days, higher than 59.3% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.0 (NVD)EPSS score
0.91%
0%100%
Low · +0.05 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 7 · Related 4Timeline
- 27-06-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Insufficient validation of input in Blink in Google Chrome prior to 66.0.3359.170 allowed a remote attacker to perform privilege escalation via a crafted HTML page.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.91%
Chance of exploitation in the next 30 days
Percentile
59%
Versus all other CVEs
30-day change
+0.05 pp
From 0.86% on 19-09-2026
19-09-202619-10-2026
EPSS score0.91%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu2 products
- chromium-browser< 66.0.3359.181-0ubuntu0.16.04.1 | < 66.0.3359.181-0ubuntu0.18.04.1
- oxide-qtAll versions (No fix recorded)
Google1 product
- chrome≥ unspecified, < 66.0.3359.170 | < 66.0.3359.170
2 vendors · 3 products
References
4 links- crbug.com/836858X Refsource MISC