CVE-2018-6118: google chrome Use After Free
CVSS: 8.8v3.0HighModified
AliasesRHSA-2018:1321UBUNTU-CVE-2018-6118
Published 27-06-2019Last modified 05-08-2024
Vulnerability summary
CVE-2018-6118 is a high (CVSS 8.8) Use After Free vulnerability in google chrome. EPSS estimates a 1.91% chance of exploitation in the next 30 days, higher than 79.4% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.0 (NVD)EPSS score
1.91%
0%100%
Low · +0.41 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 6 · Related 4Timeline
- 27-06-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A double-eviction in the Incognito mode cache that lead to a user-after-free in cache in Google Chrome prior to 66.0.3359.139 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page.
CVSS metrics
4 scores · 3 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:HSources3 sources · 8.8–9.6
- OSV · Red hatEcosystem advisory · calculated9.6CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HDiffers
- 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
1.91%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
+0.41 pp
From 1.49% on 18-09-2026
18-09-202618-10-2026
EPSS score1.91%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat2 products
- chromium-browser< 0:66.0.3359.139-1.el6_9
- chromium-browser-debuginfo< 0:66.0.3359.139-1.el6_9
Ubuntu2 products
- chromium-browser< 66.0.3359.139-0ubuntu0.16.04.3 | < 66.0.3359.139-0ubuntu0.18.04.3
- oxide-qtAll versions (No fix recorded)
Google1 product
- chrome≥ unspecified, < 66.0.3359.139 | < 66.0.3359.139
3 vendors · 5 products
References
10 links- crbug.com/831963X Refsource MISC
- chromereleases.googleblog.com/2018/04/stable-channel-update-for-desktop_26.htmlX Refsource MISCARTICLE
