CVE-2018-6127 — chromium-browser: Use after free in indexedDB

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CRITICAL

chromium-browser: Use after free in indexedDB

Published Jan 9, 2019

9.6

CRITICAL

CVSS 3.0

EPSS 1.79%

Description

Early free of object in use in IndexDB in Google Chrome prior to 67.0.3396.62 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Affected products

Vendor Google Product Chrome Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <67.0.3396.62

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Google

Chrome

n/a

Version	Status	Constraints
unspecified	affected	<67.0.3396.62

Red Hat Enterprise Linux 6 Supplementary

chromium-browser-0:67.0.3396.62-2.el6_9

Fixed · RHSA-2018:1815

Product	Package	State	Advisory
Red Hat Enterprise Linux 6 Supplementary	chromium-browser-0:67.0.3396.62-2.el6_9	Fixed	RHSA-2018:1815

Remediation

No remediation recorded yet.

Metrics

1.79% 0.01790

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.

EPSS probability 0.01790

Score over time

2021–2026

EPSS v1
EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v1
EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (17 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 2, 2026	1.79% (0.01790)	77.59th	v5 (v2026.06.15)
Jun 15, 2026	1.79% (0.01790)	75.42th	v5 (v2026.06.15)
Mar 30, 2025	1.65% (0.01655)	80.35th	v4 (v2025.03.14)
Mar 29, 2025	2.94% (0.02937)	77.37th	v4 (v2025.03.14)
Mar 17, 2025	1.65% (0.01655)	80.78th	v4 (v2025.03.14)
Dec 12, 2024	1.87% (0.01870)	88.89th	v3 (v2023.03.01)
Jan 3, 2024	2.04% (0.02044)	87.77th	v3 (v2023.03.01)
Nov 8, 2023	2.08% (0.02083)	87.82th	v3 (v2023.03.01)
Mar 7, 2023	4.31% (0.04306)	90.99th	v3 (v2023.03.01)
Mar 6, 2023	1.32% (0.01319)	71.27th	v2 (v2022.01.01)
Feb 23, 2023	1.32% (0.01319)	71.23th	v2 (v2022.01.01)
Apr 1, 2022	1.32% (0.01319)	69.22th	v2 (v2022.01.01)
Feb 4, 2022	1.32% (0.01319)	44.98th	v2 (v2022.01.01)
Feb 3, 2022	0.76% (0.00757)	20.56th	v1
Jan 6, 2022	0.76% (0.00757)	19.98th	v1
Sep 1, 2021	0.76% (0.00757)	49.43th	v1
Apr 14, 2021	0.76% (0.00757)	0.00th	v1

Weaknesses (1)

CWE-416

Use After Free

References (10)

http://www.securityfocus.com/bid/104309
vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1041014
vdb-entryx_refsource_SECTRACK
https://access.redhat.com/errata/RHSA-2018:1815
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2018-6127
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1584037
Issue Tracking
https://chromereleases.googleblog.com/2018/05/stable-channel-update-for-desktop_58.html
x_refsource_CONFIRM
https://crbug.com/842990
x_refsource_MISC
https://nvd.nist.gov/vuln/detail/CVE-2018-6127
https://www.cve.org/CVERecord?id=CVE-2018-6127
https://www.debian.org/security/2018/dsa-4237
vendor-advisoryx_refsource_DEBIAN

Link	Providers	Tags
http://www.securityfocus.com/bid/104309		vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1041014		vdb-entryx_refsource_SECTRACK
https://access.redhat.com/errata/RHSA-2018:1815		vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2018-6127		Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1584037		Issue Tracking
https://chromereleases.googleblog.com/2018/05/stable-channel-update-for-desktop_58.html		x_refsource_CONFIRM
https://crbug.com/842990		x_refsource_MISC
https://nvd.nist.gov/vuln/detail/CVE-2018-6127
https://www.cve.org/CVERecord?id=CVE-2018-6127
https://www.debian.org/security/2018/dsa-4237		vendor-advisoryx_refsource_DEBIAN