Skip to content
CVE Tracker
Back

CVE-2018-5159

An integer overflow can occur in the Skia library due to 32-bit integer use in an array without integer overflow checks, resulting in…

Critical9.8EPSS 20.6%
Published
Updated
Reserved
Assigned by
mozilla

Description

An integer overflow can occur in the Skia library due to 32-bit integer use in an array without integer overflow checks, resulting in possible out-of-bounds writes. This could lead to a potentially exploitable crash triggerable by web content. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8.

Scores

CVSS scores of CVE-2018-5159, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0Critical9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
20.6% · top 2.5% of all CVEs (4 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.

Weakness

Affected products

References (19)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2018-5159 badge
[![CVE-2018-5159](https://trackcve.app/badge/CVE-2018-5159.svg)](https://trackcve.app/cve/CVE-2018-5159)

Record last updated .