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.
Published: 2019-02-28
Score: 9.8 Critical
EPSS: 24.3% Moderate
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-1605-1 firefox-esr security update
Debian DSA Debian DSA DSA-4354-1 firefox-esr security update
EUVD EUVD EUVD-2018-10218 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.
Ubuntu USN Ubuntu USN USN-3844-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-3868-1 Thunderbird vulnerabilities
History

Tue, 25 Nov 2025 18:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Vendors & Products Mozilla firefox Esr

Subscriptions

Canonical Ubuntu Linux
Debian Debian Linux
Mozilla Firefox Thunderbird
Redhat Enterprise Linux Enterprise Linux Desktop Enterprise Linux Server Enterprise Linux Server Aus Enterprise Linux Server Eus Enterprise Linux Server Tus Enterprise Linux Workstation
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-05T11:08:21.887Z

Reserved: 2018-10-19T00:00:00.000Z

Link: CVE-2018-18493

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-02-28T18:29:01.507

Modified: 2025-11-25T17:50:16.803

Link: CVE-2018-18493

cve-icon Redhat

Severity : Important

Publid Date: 2018-12-11T00:00:00Z

Links: CVE-2018-18493 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses