CVE-2018-18493

CRITICAL

Firefox < 64 and Thunderbird < 60.4 - Memory Corruption via Skia Buffer Offset Calculation

Title source: llm
STIX 2.1

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.

References (15)

Core 15
Core References
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2018-29/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/12/msg00002.html
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3833
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3831
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2019/dsa-4362
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201903-04
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3844-1/
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/106168
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:0159
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2018-31/
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2018-30/
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4354
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3868-1/
Issue Tracking, Permissions Required, Vendor Advisory x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1504452
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:0160

Scores

CVSS v3 9.8
EPSS 0.2430
EPSS Percentile 96.2%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (17)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 18.10
debian/debian_linux 8.0
debian/debian_linux 9.0
mozilla/firefox < 60.4.0
mozilla/thunderbird < 60.4.0
redhat/enterprise_linux_desktop 6.0
redhat/enterprise_linux_desktop 7.0
... and 7 more
Published Feb 28, 2019
Tracked Since Feb 18, 2026