CVE-2018-18493
- Source
- https://cve.org/CVERecord?id=CVE-2018-18493
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-18493.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2018-18493
- Downstream
- Related
- Withdrawn
- 2026-01-27T04:16:11.314479Z
- Published
- 2019-02-28T18:29:01Z
- Modified
- 2026-01-27T04:16:11.314479Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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
-
- http://www.securityfocus.com/bid/106168
- https://access.redhat.com/errata/RHSA-2018:3831
- https://access.redhat.com/errata/RHSA-2018:3833
- https://access.redhat.com/errata/RHSA-2019:0159
- https://access.redhat.com/errata/RHSA-2019:0160
- https://bugzilla.mozilla.org/show_bug.cgi?id=1504452
- https://lists.debian.org/debian-lts-announce/2018/12/msg00002.html
- https://security.gentoo.org/glsa/201903-04
- https://usn.ubuntu.com/3844-1/
- https://usn.ubuntu.com/3868-1/
- https://www.debian.org/security/2018/dsa-4354
- https://www.debian.org/security/2019/dsa-4362
- https://www.mozilla.org/security/advisories/mfsa2018-29/
- https://www.mozilla.org/security/advisories/mfsa2018-30/
- https://www.mozilla.org/security/advisories/mfsa2018-31/