CVE-2018-12362
An integer overflow can occur during graphics operations done by the Supplemental Streaming SIMD Extensions 3 (SSSE3) scaler, resulting in a potentially exploitable crash.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.77%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An integer overflow can occur during graphics operations done by the Supplemental Streaming SIMD Extensions 3 (SSSE3) scaler, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 3.77% probability · 90th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server eus · redhat/enterprise linux server tus · redhat/enterprise linux workstation · debian/debian linux · canonical/ubuntu linux · mozilla/firefox · mozilla/firefox esr · mozilla/thunderbird
- Source
- security@mozilla.org
EPSS 3.8% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/104560Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041193Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2112Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2113Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2251Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2252Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1452375Issue Tracking, Permissions Required, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/06/msg00014.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00013.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201810-01Third Party Advisory
- https://security.gentoo.org/glsa/201811-13Third Party Advisory
- https://usn.ubuntu.com/3705-1/Third Party Advisory
- https://usn.ubuntu.com/3714-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4235Third Party Advisory
- https://www.debian.org/security/2018/dsa-4244Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-15/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-16/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-17/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-18/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-19/Vendor Advisory
- http://www.securityfocus.com/bid/104560Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041193Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2112Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2113Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2251Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2252Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1452375Issue Tracking, Permissions Required, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/06/msg00014.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00013.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201810-01Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.