CVE-2018-18493

Published: Feb 28, 2019Modified: Nov 25, 2025

9.8

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

A buffer overflow can occur in the Skia library during buffer offset calculations with hardware accelerated canvas 2D actions due to the use of 32-bit calculations instead of 64-bit. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.

Affected (18)

Products: Mozilla: Firefox, Thunderbird · Debian: Debian Linux · Canonical: Ubuntu Linux · +1 more

Show all products

Mozilla: Firefox, Thunderbird · Debian: Debian Linux · Canonical: Ubuntu Linux · Redhat: Enterprise Linux Desktop, Enterprise Linux Server, Enterprise Linux Server Aus, Enterprise Linux Server Eus, Enterprise Linux Server Tus, Enterprise Linux Workstation

2 products

1 product

1 product

6 products

Enterprise Linux Desktop

Enterprise Linux Server

Enterprise Linux Server Aus

Enterprise Linux Server Eus

Enterprise Linux Server Tus

Enterprise Linux Workstation

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Mozilla Firefox	Before 60.4.0
Mozilla Firefox	Before 64.0
Mozilla Thunderbird	Before 60.4.0

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 8.0
Debian Debian Linux	Version 9.0

Configuration C

4 vulnerable

Vulnerable Software	Affected Versions
Canonical Ubuntu Linux	Version 14.04
Canonical Ubuntu Linux	Version 16.04
Canonical Ubuntu Linux	Version 18.04
Canonical Ubuntu Linux	Version 18.10

Configuration D

9 vulnerable

Vulnerable Software	Affected Versions
Redhat Enterprise Linux Desktop	Version 6.0
Redhat Enterprise Linux Desktop	Version 7.0
Redhat Enterprise Linux Server	Version 6.0
Redhat Enterprise Linux Server	Version 7.0
Redhat Enterprise Linux Server Aus	Version 7.6
Redhat Enterprise Linux Server Eus	Version 7.6
Redhat Enterprise Linux Server Tus	Version 7.6
Redhat Enterprise Linux Workstation	Version 6.0
Redhat Enterprise Linux Workstation	Version 7.0

Related CWEs

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (30)

http://www.securityfocus.com/bid/106168

Source: security@mozilla.org

Third Party AdvisoryVDB Entry

https://access.redhat.com/errata/RHSA-2018:3831

Source: security@mozilla.org

Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:3833

Source: security@mozilla.org

Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:0159

Source: security@mozilla.org

Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:0160

Source: security@mozilla.org

Third Party Advisory

https://bugzilla.mozilla.org/show_bug.cgi?id=1504452

Source: security@mozilla.org

Issue TrackingPermissions RequiredVendor Advisory

https://lists.debian.org/debian-lts-announce/2018/12/msg00002.html

Source: security@mozilla.org

Mailing ListThird Party Advisory

https://security.gentoo.org/glsa/201903-04

Source: security@mozilla.org

Third Party Advisory

https://usn.ubuntu.com/3844-1/

Source: security@mozilla.org

Third Party Advisory

https://usn.ubuntu.com/3868-1/

Source: security@mozilla.org

Third Party Advisory

https://www.debian.org/security/2018/dsa-4354

Source: security@mozilla.org

Third Party Advisory

https://www.debian.org/security/2019/dsa-4362

Source: security@mozilla.org

Third Party Advisory

https://www.mozilla.org/security/advisories/mfsa2018-29/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2018-30/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2018-31/

Source: security@mozilla.org

Vendor Advisory

http://www.securityfocus.com/bid/106168

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

https://access.redhat.com/errata/RHSA-2018:3831

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:3833

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:0159

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:0160

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://bugzilla.mozilla.org/show_bug.cgi?id=1504452

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingPermissions RequiredVendor Advisory

https://lists.debian.org/debian-lts-announce/2018/12/msg00002.html

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

https://security.gentoo.org/glsa/201903-04

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://usn.ubuntu.com/3844-1/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://usn.ubuntu.com/3868-1/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://www.debian.org/security/2018/dsa-4354

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://www.debian.org/security/2019/dsa-4362

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://www.mozilla.org/security/advisories/mfsa2018-29/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2018-30/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2018-31/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.