CVE-2018-5148

high-risk

Published 2018-06-11

A use-after-free vulnerability can occur in the compositor during certain graphics operations when a raw pointer is used instead of a reference counted one. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR < 52.7.3 and Firefox < 59.0.2.

Do I need to act?

1.6% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (14)

Debian Linux

Enterprise Linux Desktop

Enterprise Linux Server

Enterprise Linux Server Eus

Enterprise Linux Workstation

Firefox

Ubuntu Linux

Affected Vendors

Debian Redhat Mozilla Canonical

References (18)

Third Party Advisory http://www.securityfocus.com/bid/103506

Third Party Advisory http://www.securitytracker.com/id/1040574

Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1098

Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1099

Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1440717

Third Party Advisory https://lists.debian.org/debian-lts-announce/2018/03/msg00023.html

Third Party Advisory https://usn.ubuntu.com/3609-1/

Third Party Advisory https://www.debian.org/security/2018/dsa-4153

Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2018-10/