high 8.8

CVE-2018-18356 json

An integer overflow in path handling lead to a use after free in Skia in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to p…

published 2018-12-11 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-10087

cvss: 8.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 3.3%; EPSS 3.3% chance of exploitation in 30 days, percentile 88%
public exploits: 0; none known

An integer overflow in path handling lead to a use after free in Skia in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Patch / fix

fixed in 1 distros 7

Google Chrome 71.0.3578.80

debian ubuntu red hat suse opensuse alpine arch linux

chromium Debian 14, Debian 13, Debian 12 71.0.3578.80-1
firefox-esr Debian 14, Debian 13, Debian 12 60.5.1esr-1
thunderbird Debian 14, Debian 13, Debian 12 1:60.5.1-1

debian advisories DEBIAN-CVE-2018-18356

firefox Ubuntu 14.04 LTS 65.0.1+build2-0ubuntu0.14.04.1
firefox Ubuntu 16.04 LTS 65.0.1+build2-0ubuntu0.16.04.1
firefox Ubuntu 18.04 LTS 65.0.1+build2-0ubuntu0.18.04.1
thunderbird Ubuntu 14.04 LTS 1:60.5.1+build2-0ubuntu0.14.04.1
thunderbird Ubuntu 16.04 LTS 1:60.5.1+build2-0ubuntu0.16.04.1
thunderbird Ubuntu 18.04 LTS 1:60.5.1+build2-0ubuntu0.18.04.1
chromium-browser Ubuntu 16.04 LTS 71.0.3578.80-0ubuntu0.16.04.1
chromium-browser Ubuntu 18.04 LTS 71.0.3578.80-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2018-18356

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

thunderbird RHEL 8 60.6.1-1.el8
thunderbird RHEL 7 60.6.1-1.el7_6
thunderbird RHEL 6 60.6.1-1.el6_10
firefox RHEL 7 60.5.1-1.el7_6
firefox RHEL 6 60.5.1-1.el6_10
chromium-browser RHEL 6 EXTRAS 71.0.3578.80-1.el6_10

red hat advisories RHSA-2019:1144 RHSA-2019:0681 RHSA-2019:0680 RHSA-2019:0374 RHSA-2019:0373 RHSA-2018:3803

MozillaFirefox SLE Module for Desktop Applications 15 60.6.1-3.29.3
MozillaThunderbird SLE Workstation Extension 15 60.6.1-3.28.1
MozillaFirefox SLES for SAP 12 SP4, SLES for SAP 12 SP3, SLES for SAP 12 SP2 +13 more 60.6.1esr-109.63.2
MozillaThunderbird SLE Workstation Extension 15 60.5.1-3.24.1

suse advisories SUSE-SU-2019:0871-1 SUSE-SU-2019:0853-1 SUSE-SU-2019:0852-1 SUSE-SU-2019:0469-1

firefox-esr openSUSE Tumbleweed 128.5.1-1.1
MozillaFirefox openSUSE Tumbleweed 92.0-1.2
MozillaThunderbird openSUSE Tumbleweed 91.1.1-1.1
chromium openSUSE Tumbleweed 93.0.4577.82-1.1
chromium openSUSE Tumbleweed 113.0.5672.92-1.1
MozillaThunderbird openSUSE Leap 15.0 60.6.1-lp150.3.37.1
MozillaThunderbird Package Hub 12 60.5.1-79.1
chromium Package Hub 12 SP2 71.0.3578.98-80.1

opensuse advisories openSUSE-SU-2024:14572-1 openSUSE-SU-2024:10600-1 openSUSE-SU-2024:10601-1 openSUSE-SU-2024:10681-1 openSUSE-SU-2024:12948-1 openSUSE-SU-2019:1162-1

firefox-esr Alpine 3.23, Alpine 3.22, Alpine 3.21 +12 more 60.5.2-r0

alpine advisories ALPINE-CVE-2018-18356

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

chromium Arch Linux 71.0.3578.80-1
firefox Arch Linux 65.0.1-1
thunderbird Arch Linux 60.5.1-1

arch linux advisories AVG-824 AVG-896 AVG-908

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-18356 updated 2026-11-04 cvss 8.8

mozilla: Use after free in Skia

Red Hat Enterprise Linux AppStream (v. 8) thunderbird 60.6.1-1.el8
fixed: vendor fix RHSA-2019:1144
Red Hat Enterprise Linux Client (v. 7) firefox 60.5.1-1.el7_6, thunderbird 60.6.1-1.el7_6 Red Hat Enterprise Linux Client Optional (v. 7) firefox 60.5.1-1.el7_6
fixed: vendor fix RHSA-2019:0374
Red Hat Enterprise Linux Desktop (v. 6) firefox 60.5.1-1.el6_10, thunderbird 60.6.1-1.el6_10 Red Hat Enterprise Linux Desktop Optional (v. 6) firefox 60.5.1-1.el6_10
fixed: vendor fix RHSA-2019:0373
Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser 71.0.3578.80-1.el6_10
fixed: vendor fix RHSA-2018:3803
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) firefox 60.5.1-1.el7_6
fixed: vendor fix RHSA-2019:0374
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) thunderbird 60.6.1-1.el7_6
fixed: vendor fix RHSA-2019:0681
Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox 60.5.1-1.el6_10 Red Hat Enterprise Linux Server (v. 6) firefox 60.5.1-1.el6_10
fixed: vendor fix RHSA-2019:0373
Red Hat Enterprise Linux Server (v. 7) firefox 60.5.1-1.el7_6
fixed: vendor fix RHSA-2019:0374

show 9 more

Red Hat Enterprise Linux Server Optional (v. 6) firefox 60.5.1-1.el6_10, thunderbird 60.6.1-1.el6_10
fixed: vendor fix RHSA-2019:0373
Red Hat Enterprise Linux Server Optional (v. 7) firefox 60.5.1-1.el7_6, thunderbird 60.6.1-1.el7_6
fixed: vendor fix RHSA-2019:0374
Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser 71.0.3578.80-1.el6_10
fixed: vendor fix RHSA-2018:3803
Red Hat Enterprise Linux Workstation (v. 6) firefox 60.5.1-1.el6_10, thunderbird 60.6.1-1.el6_10
fixed: vendor fix RHSA-2019:0373
Red Hat Enterprise Linux Workstation (v. 7) firefox 60.5.1-1.el7_6, thunderbird 60.6.1-1.el7_6
fixed: vendor fix RHSA-2019:0374
Red Hat Enterprise Linux Workstation Optional (v. 6) firefox 60.5.1-1.el6_10
fixed: vendor fix RHSA-2019:0373
Red Hat Enterprise Linux Workstation Optional (v. 7) firefox 60.5.1-1.el7_6
fixed: vendor fix RHSA-2019:0374
Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser 71.0.3578.80-1.el6_10
fixed: vendor fix RHSA-2018:3803
Red Hat Enterprise Linux 8 firefox
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.28% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	8.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

Google Chrome

Classification

Weakness

CWE-190 Integer Overflow or Wraparound
CWE-416 Use After Free
CWE-787 Out-of-bounds Write

Technology feeds

Google Chrome rss critical rss

References

access.redhat.com /errata/RHSA-2019:0373
vendor-advisory
usn.ubuntu.com /3897-1/
vendor-advisory
security.gentoo.org /glsa/201903-04
vendor-advisory
usn.ubuntu.com /3896-1/
vendor-advisory
access.redhat.com /errata/RHSA-2019:0374
vendor-advisory
debian.org /security/2019/dsa-4391
vendor-advisory
access.redhat.com /errata/RHSA-2018:3803
vendor-advisory
debian.org /security/2019/dsa-4392
vendor-advisory
debian.org /security/2018/dsa-4352
vendor-advisory
security.gentoo.org /glsa/201904-07
vendor-advisory
lists.opensuse.org /opensuse-security-announce/2019-04/msg00043.html
vendor-advisory
access.redhat.com /errata/RHSA-2019:1144
vendor-advisory
security.gentoo.org /glsa/201908-18
vendor-advisory
crbug.com /883666
lists.debian.org /debian-lts-announce/2019/02/msg00023.html
mailing-list
lists.debian.org /debian-lts-announce/2019/02/msg00024.html
mailing-list
chromereleases.googleblog.com /2018/12/stable-channel-update-for-desktop.html
securityfocus.com /bid/106084
vdb-entry

Sources

CVE List CVE-2018-18356
NVD CVE-2018-18356

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary