{"id":"CVE-2018-18493","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 \u003c 60.4, Firefox ESR \u003c 60.4, and Firefox \u003c 64.","modified":"2026-03-12T22:49:26.962252Z","published":"2019-02-28T18:29:01.507Z","related":["MGASA-2018-0483","SUSE-SU-2018:4235-1","SUSE-SU-2018:4236-1","SUSE-SU-2018:4236-2","SUSE-SU-2019:0338-1","openSUSE-SU-2019:0249-1","openSUSE-SU-2019:0251-1","openSUSE-SU-2024:10600-1","openSUSE-SU-2024:10601-1","openSUSE-SU-2024:14572-1"],"references":[{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2018-31/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4354"},{"type":"ADVISORY","url":"https://www.debian.org/security/2019/dsa-4362"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:3831"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:3833"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0159"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/12/msg00002.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3868-1/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2018-29/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2018-30/"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/106168"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0160"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201903-04"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3844-1/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1504452"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"60.4.0"}]},{"events":[{"introduced":"0"},{"fixed":"64.0"}]},{"events":[{"introduced":"0"},{"fixed":"60.4.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.10"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.6"}]},{"events":[{"introduced":"0"},{"last_affected":"7.6"}]},{"events":[{"introduced":"0"},{"last_affected":"7.6"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-18493.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}